diff --git a/etc/config.sh/bash_completion b/etc/config.sh/bash_completion
index f165bbb2a..11b3c4d39 100644
--- a/etc/config.sh/bash_completion
+++ b/etc/config.sh/bash_completion
@@ -35,7 +35,7 @@ _adiabaticFlameT_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -64,7 +64,7 @@ _adjointShapeOptimizationFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -87,7 +87,7 @@ _ansysToFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -scale -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -116,7 +116,7 @@ _applyBoundaryLayer_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -Cbl -doc -help -noFunctionObjects -parallel -roots -srcDoc -writenut -ybl"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -139,7 +139,7 @@ _attachMesh_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -overwrite -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -160,7 +160,7 @@ _autoPatch_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -overwrite -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -181,7 +181,7 @@ _autoRefineMesh_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -202,7 +202,7 @@ _blockMesh_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-blockTopology -case -dict -doc -help -noClean -noFunctionObjects -region -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -227,7 +227,7 @@ _boundaryFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -248,7 +248,7 @@ _boxTurb_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -269,7 +269,7 @@ _buoyantBoussinesqPimpleFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -292,7 +292,7 @@ _buoyantBoussinesqSimpleFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -315,7 +315,7 @@ _buoyantPimpleFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -338,7 +338,7 @@ _buoyantSimpleFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -361,7 +361,7 @@ _cavitatingDyMFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -384,7 +384,7 @@ _cavitatingFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -407,7 +407,7 @@ _cfx4ToFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -scale -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -436,7 +436,7 @@ _changeDictionary_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -constant -dict -disablePatchGroups -doc -enableFunctionEntries -help -instance -latestTime -literalRE -newTimes -noFunctionObjects -noZero -parallel -region -roots -srcDoc -subDict -time"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -461,7 +461,7 @@ _checkMesh_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-allGeometry -allTopology -case -constant -doc -help -latestTime -meshQuality -newTimes -noFunctionObjects -noTopology -noZero -parallel -region -roots -srcDoc -time -writeSets"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -484,7 +484,7 @@ _chemFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -postProcess -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -505,7 +505,7 @@ _chemkinToFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -newFormat -noFunctionObjects -parallel -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -529,7 +529,7 @@ _chtMultiRegionFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -552,7 +552,7 @@ _chtMultiRegionSimpleFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -575,7 +575,7 @@ _coalChemistryFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -598,7 +598,7 @@ _coldEngineFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -621,7 +621,7 @@ _collapseEdges_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -collapseFaces -collapseFaceSet -constant -dict -doc -help -latestTime -newTimes -noFunctionObjects -noZero -overwrite -parallel -roots -srcDoc -time"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -646,7 +646,7 @@ _combinePatchFaces_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -concaveAngle -doc -help -meshQuality -noFunctionObjects -overwrite -parallel -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -669,7 +669,7 @@ _compressibleInterDyMFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -692,7 +692,7 @@ _compressibleInterFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -715,7 +715,7 @@ _compressibleMultiphaseInterFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -738,7 +738,7 @@ _createBaffles_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -dict -doc -help -noFunctionObjects -overwrite -parallel -region -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -763,7 +763,7 @@ _createExternalCoupledPatchGeometry_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -region -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -786,7 +786,7 @@ _createPatch_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -dict -doc -help -noFunctionObjects -overwrite -parallel -region -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -811,7 +811,7 @@ _datToFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -838,7 +838,7 @@ _decomposePar_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-allRegions -case -cellDist -constant -copyUniform -copyZero -dict -doc -fields -force -help -ifRequired -latestTime -newTimes -noFunctionObjects -noSets -noZero -region -srcDoc -time"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -861,7 +861,7 @@ _deformedGeom_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -884,7 +884,7 @@ _dnsFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -907,7 +907,7 @@ _DPMDyMFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -cloudName -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -930,7 +930,7 @@ _DPMFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -cloudName -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -953,7 +953,7 @@ _driftFluxFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -976,7 +976,7 @@ _dsmcFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -999,7 +999,7 @@ _dsmcInitialise_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1022,7 +1022,7 @@ _electrostaticFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1045,7 +1045,7 @@ _engineCompRatio_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1068,7 +1068,7 @@ _engineFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1091,7 +1091,7 @@ _engineSwirl_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1114,7 +1114,7 @@ _equilibriumCO_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1137,7 +1137,7 @@ _equilibriumFlameT_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1166,7 +1166,7 @@ _extrude2DMesh_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -overwrite -parallel -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1189,7 +1189,7 @@ _extrudeMesh_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -region -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1212,7 +1212,7 @@ _extrudeToRegionMesh_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -dict -doc -help -noFunctionObjects -overwrite -parallel -region -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1237,7 +1237,7 @@ _faceAgglomerate_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -dict -doc -help -noFunctionObjects -parallel -region -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1262,7 +1262,7 @@ _financialFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1285,7 +1285,7 @@ _fireFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1308,7 +1308,7 @@ _flattenMesh_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1331,7 +1331,7 @@ _fluent3DMeshToFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -cubit -doc -help -ignoreCellGroups -ignoreFaceGroups -noFunctionObjects -scale -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1360,7 +1360,7 @@ _fluentMeshToFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-2D -case -doc -help -noFunctionObjects -scale -srcDoc -writeSets -writeZones"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1389,7 +1389,7 @@ _foamDataToFluent_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -latestTime -newTimes -noFunctionObjects -noZero -srcDoc -time"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1412,7 +1412,7 @@ _foamDictionary_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-add -case -diff -disableFunctionEntries -doc -entry -expand -help -includes -keywords -noFunctionObjects -parallel -remove -roots -set -srcDoc -value"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1441,7 +1441,7 @@ _foamFormatConvert_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -constant -doc -help -latestTime -newTimes -noConstant -noFunctionObjects -noZero -parallel -region -roots -srcDoc -time"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1464,7 +1464,7 @@ _foamHelp_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts=""
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1483,7 +1483,7 @@ _foamList_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -compressibleTurbulenceModels -doc -functionObjects -fvOptions -help -incompressibleTurbulenceModels -noFunctionObjects -registeredSwitches -scalarBCs -srcDoc -switches -unset -vectorBCs"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1506,7 +1506,7 @@ _foamListTimes_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -constant -doc -help -latestTime -newTimes -noFunctionObjects -noZero -processor -rm -srcDoc -time -withZero"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1529,7 +1529,7 @@ _foamMeshToFluent_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1550,7 +1550,7 @@ _foamToEnsight_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-ascii -case -cellZone -constant -doc -faceZones -fields -help -latestTime -newTimes -nodeValues -noFunctionObjects -noPatches -noZero -parallel -patches -region -roots -srcDoc -time"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1573,7 +1573,7 @@ _foamToEnsightParts_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-ascii -case -constant -doc -help -index -latestTime -name -newTimes -noFunctionObjects -noMesh -noZero -srcDoc -time -width"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1596,7 +1596,7 @@ _foamToGMV_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1619,7 +1619,7 @@ _foamToStarMesh_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -constant -doc -help -latestTime -newTimes -noBnd -noFunctionObjects -noZero -scale -srcDoc -time"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1642,7 +1642,7 @@ _foamToSurface_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -constant -doc -help -latestTime -newTimes -noFunctionObjects -noZero -scale -srcDoc -time -tri"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1665,7 +1665,7 @@ _foamToTetDualMesh_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -constant -doc -help -latestTime -noFunctionObjects -noZero -overwrite -parallel -roots -srcDoc -time"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1688,7 +1688,7 @@ _foamToVTK_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-allPatches -ascii -case -cellSet -constant -doc -excludePatches -faceSet -fields -help -latestTime -nearCellValue -newTimes -noFaceZones -noFunctionObjects -noInternal -noLinks -noPointValues -noZero -parallel -pointSet -poly -region -roots -srcDoc -surfaceFields -time -useTimeName"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1711,7 +1711,7 @@ _foamUpgradeCyclics_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -constant -doc -enableFunctionEntries -help -latestTime -newTimes -noFunctionObjects -noZero -parallel -region -roots -srcDoc -test -time"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1734,7 +1734,7 @@ _gambitToFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -scale -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1763,7 +1763,7 @@ _gmshToFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -keepOrientation -noFunctionObjects -region -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1792,7 +1792,7 @@ _icoFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1815,7 +1815,7 @@ _icoUncoupledKinematicParcelDyMFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -cloudName -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1838,7 +1838,7 @@ _icoUncoupledKinematicParcelFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -cloudName -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1861,7 +1861,7 @@ _ideasUnvToFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -dump -help -noFunctionObjects -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1888,7 +1888,7 @@ _insideCells_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1915,7 +1915,7 @@ _interDyMFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1938,7 +1938,7 @@ _interFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1961,7 +1961,7 @@ _interMixingFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -1984,7 +1984,7 @@ _interPhaseChangeDyMFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2007,7 +2007,7 @@ _interPhaseChangeFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2030,7 +2030,7 @@ _kivaToFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -file -help -noFunctionObjects -srcDoc -version -zHeadMin"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2053,7 +2053,7 @@ _laplacianFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2076,7 +2076,7 @@ _magneticFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -HdotGradH -help -noB -noFunctionObjects -noH -parallel -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2099,7 +2099,7 @@ _mapFields_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -consistent -doc -help -mapMethod -noFunctionObjects -parallelSource -parallelTarget -sourceRegion -sourceTime -srcDoc -subtract -targetRegion"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2128,7 +2128,7 @@ _mapFieldsPar_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -consistent -doc -fields -help -mapMethod -noFunctionObjects -noLagrangian -parallel -roots -sourceRegion -sourceTime -srcDoc -subtract -targetRegion"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2157,7 +2157,7 @@ _mdEquilibrationFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2180,7 +2180,7 @@ _mdFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2203,7 +2203,7 @@ _mdInitialise_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2226,7 +2226,7 @@ _mergeMeshes_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-addRegion -case -doc -help -masterRegion -noFunctionObjects -overwrite -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2250,7 +2250,7 @@ _mergeOrSplitBaffles_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -detectOnly -doc -help -noFunctionObjects -overwrite -parallel -region -roots -split -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2273,7 +2273,7 @@ _mhdFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2296,7 +2296,7 @@ _mirrorMesh_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -overwrite -parallel -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2319,7 +2319,7 @@ _mixtureAdiabaticFlameT_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2348,7 +2348,7 @@ _modifyMesh_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -overwrite -parallel -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2371,7 +2371,7 @@ _moveDynamicMesh_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -checkAMI -doc -help -noFunctionObjects -parallel -region -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2394,7 +2394,7 @@ _moveEngineMesh_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2417,7 +2417,7 @@ _moveMesh_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2440,7 +2440,7 @@ _MPPICDyMFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -cloudName -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2463,7 +2463,7 @@ _MPPICFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -cloudName -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2486,7 +2486,7 @@ _mshToFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -hex -noFunctionObjects -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2513,7 +2513,7 @@ _multiphaseEulerFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2536,7 +2536,7 @@ _multiphaseInterDyMFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2559,7 +2559,7 @@ _multiphaseInterFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2582,7 +2582,7 @@ _netgenNeutralToFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2611,7 +2611,7 @@ _noise_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -dict -doc -help -noFunctionObjects -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2634,7 +2634,7 @@ _nonNewtonianIcoFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2657,7 +2657,7 @@ _objToVTK_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2684,7 +2684,7 @@ _orientFaceZone_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -region -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2707,7 +2707,7 @@ _particleTracks_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -constant -doc -help -latestTime -newTimes -noFunctionObjects -noZero -parallel -region -roots -srcDoc -time"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2730,7 +2730,7 @@ _patchSummary_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -constant -doc -expand -help -latestTime -newTimes -noFunctionObjects -noZero -parallel -region -roots -srcDoc -time"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2753,7 +2753,7 @@ _pdfPlot_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2776,7 +2776,7 @@ _PDRFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2799,7 +2799,7 @@ _PDRMesh_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -overwrite -parallel -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2822,7 +2822,7 @@ _pimpleDyMFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2845,7 +2845,7 @@ _pimpleFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2868,7 +2868,7 @@ _pisoFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2891,7 +2891,7 @@ _plot3dToFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-2D -case -doc -help -noBlank -noFunctionObjects -scale -singleBlock -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2920,7 +2920,7 @@ _polyDualMesh_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -concaveMultiCells -doc -doNotPreserveFaceZones -help -noFunctionObjects -overwrite -splitAllFaces -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2941,7 +2941,7 @@ _porousSimpleFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2964,7 +2964,7 @@ _postChannel_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -constant -doc -help -latestTime -newTimes -noFunctionObjects -noZero -srcDoc -time"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -2987,7 +2987,7 @@ _postProcess_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -constant -dict -doc -field -fields -func -funcs -help -latestTime -list -newTimes -noFunctionObjects -noZero -parallel -region -roots -srcDoc -time"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3012,7 +3012,7 @@ _potentialFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -initialiseUBCs -noFunctionObjects -parallel -pName -roots -srcDoc -withFunctionObjects -writep -writePhi"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3035,7 +3035,7 @@ _potentialFreeSurfaceDyMFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3058,7 +3058,7 @@ _potentialFreeSurfaceFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3081,7 +3081,7 @@ _reactingFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3104,7 +3104,7 @@ _reactingMultiphaseEulerFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3127,7 +3127,7 @@ _reactingParcelFilmFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3150,7 +3150,7 @@ _reactingParcelFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3173,7 +3173,7 @@ _reactingTwoPhaseEulerFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3196,7 +3196,7 @@ _reconstructPar_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="- -allRegions -case -constant -doc -fields -help -lagrangianFields -latestTime -newTimes -noFields -noFunctionObjects -noLagrangian -noSets -noZero -region -srcDoc -time -withZero"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3219,7 +3219,7 @@ _reconstructParMesh_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -cellDist -constant -doc -fullMatch -help -latestTime -mergeTol -newTimes -noFunctionObjects -noZero -region -srcDoc -time -withZero"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3242,7 +3242,7 @@ _redistributePar_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -constant -doc -help -latestTime -mergeTol -newTimes -noFunctionObjects -noZero -overwrite -parallel -region -roots -srcDoc -time"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3265,7 +3265,7 @@ _refineHexMesh_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -minSet -noFunctionObjects -overwrite -parallel -region -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3288,7 +3288,7 @@ _refinementLevel_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -readLevel -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3311,7 +3311,7 @@ _refineMesh_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-all -case -dict -doc -help -noFunctionObjects -overwrite -parallel -region -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3336,7 +3336,7 @@ _refineWallLayer_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -overwrite -srcDoc -useSet"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3359,7 +3359,7 @@ _removeFaces_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -overwrite -parallel -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3382,7 +3382,7 @@ _renumberMesh_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -constant -dict -doc -frontWidth -help -latestTime -noFunctionObjects -noZero -overwrite -parallel -region -roots -srcDoc -time"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3407,7 +3407,7 @@ _rhoCentralDyMFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3430,7 +3430,7 @@ _rhoCentralFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3453,7 +3453,7 @@ _rhoPimpleDyMFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3476,7 +3476,7 @@ _rhoPimpleFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3499,7 +3499,7 @@ _rhoPorousSimpleFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3522,7 +3522,7 @@ _rhoReactingBuoyantFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3545,7 +3545,7 @@ _rhoReactingFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3568,7 +3568,7 @@ _rhoSimpleFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3591,7 +3591,7 @@ _rotateMesh_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -constant -doc -help -latestTime -newTimes -noFunctionObjects -noZero -parallel -roots -srcDoc -time"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3614,11 +3614,11 @@ _sammToFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -scale -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
-    extra="-d -f"
+    extra=""
 
     [ "$COMP_CWORD" = 1 ] || \
     case "$prev" in
@@ -3626,13 +3626,7 @@ _sammToFoam_ ()
             opts="" ; extra="-d" ;;
         -scale)
             opts="" ; extra="" ;;
-       -*) ;;
-        *)
-            case "${COMP_WORDS[COMP_CWORD-2]}" in
-                -scale|-case) ;;
-                *) opts=""; extra="" ;;
-            esac
-            ;;
+       *) ;;
     esac
     COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
 }
@@ -3643,7 +3637,7 @@ _scalarTransportFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3666,7 +3660,7 @@ _selectCells_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3687,7 +3681,7 @@ _setFields_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -dict -doc -help -noFunctionObjects -parallel -region -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3712,7 +3706,7 @@ _setSet_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-batch -case -constant -doc -help -latestTime -loop -newTimes -noFunctionObjects -noSync -noVTK -noZero -parallel -region -roots -srcDoc -time"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3737,7 +3731,7 @@ _setsToZones_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -constant -doc -help -latestTime -newTimes -noFlipMap -noFunctionObjects -noZero -parallel -region -roots -srcDoc -time"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3760,7 +3754,7 @@ _shallowWaterFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3783,7 +3777,7 @@ _simpleFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3806,7 +3800,7 @@ _simpleReactingParcelFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3829,7 +3823,7 @@ _singleCellMesh_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -constant -doc -help -latestTime -newTimes -noFunctionObjects -noZero -parallel -roots -srcDoc -time"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3852,7 +3846,7 @@ _smapToFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3879,7 +3873,7 @@ _snappyHexMesh_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -checkGeometry -dict -doc -help -noFunctionObjects -outFile -overwrite -parallel -patches -roots -srcDoc -surfaceSimplify"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3904,7 +3898,7 @@ _solidDisplacementFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3927,7 +3921,7 @@ _solidEquilibriumDisplacementFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3950,7 +3944,7 @@ _sonicDyMFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3973,7 +3967,7 @@ _sonicFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -3996,7 +3990,7 @@ _sonicLiquidFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4019,7 +4013,7 @@ _splitCells_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -geometry -help -noFunctionObjects -overwrite -set -srcDoc -tol"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4042,7 +4036,7 @@ _splitMesh_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -overwrite -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4063,7 +4057,7 @@ _splitMeshRegions_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-blockedFaces -case -cellZones -cellZonesFileOnly -cellZonesOnly -detectOnly -doc -help -insidePoint -largestOnly -makeCellZones -noFunctionObjects -overwrite -parallel -prefixRegion -region -roots -sloppyCellZones -srcDoc -useFaceZones"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4088,7 +4082,7 @@ _sprayDyMFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4111,7 +4105,7 @@ _sprayEngineFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4134,7 +4128,7 @@ _sprayFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4157,7 +4151,7 @@ _SRFPimpleFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4180,7 +4174,7 @@ _SRFSimpleFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4203,7 +4197,7 @@ _star3ToFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -scale -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4226,7 +4220,7 @@ _star4ToFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-ascii -case -doc -help -noFunctionObjects -scale -solids -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4249,7 +4243,7 @@ _steadyParticleTracks_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -constant -dict -doc -help -latestTime -newTimes -noFunctionObjects -noZero -region -srcDoc -time"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4274,7 +4268,7 @@ _stitchMesh_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -overwrite -partial -perfect -region -srcDoc -toleranceDict"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4299,7 +4293,7 @@ _subsetMesh_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -overwrite -parallel -patch -region -resultTime -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4322,7 +4316,7 @@ _surfaceAdd_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -mergeRegions -noFunctionObjects -points -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4346,7 +4340,7 @@ _surfaceAutoPatch_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4373,7 +4367,7 @@ _surfaceBooleanFeatures_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -invertedSpace -noFunctionObjects -perturb -srcDoc -surf1Baffle -surf2Baffle"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4395,7 +4389,7 @@ _surfaceCheck_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-blockMesh -case -checkSelfIntersection -doc -help -noFunctionObjects -splitNonManifold -srcDoc -verbose"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4422,7 +4416,7 @@ _surfaceClean_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noClean -noFunctionObjects -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4449,7 +4443,7 @@ _surfaceCoarsen_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4476,7 +4470,7 @@ _surfaceConvert_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -clean -doc -group -help -noFunctionObjects -scale -srcDoc -writePrecision"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4505,7 +4499,7 @@ _surfaceFeatureConvert_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -scale -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4534,7 +4528,7 @@ _surfaceFeatureExtract_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -dict -doc -help -noFunctionObjects -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4557,7 +4551,7 @@ _surfaceFind_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -srcDoc -x -y -z"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4586,7 +4580,7 @@ _surfaceHookUp_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -dict -doc -help -noFunctionObjects -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4609,7 +4603,7 @@ _surfaceInertia_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -density -doc -help -noFunctionObjects -referencePoint -shellProperties -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4638,7 +4632,7 @@ _surfaceLambdaMuSmooth_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-doc -featureFile -help -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4665,7 +4659,7 @@ _surfaceMeshConvert_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -clean -dict -doc -from -help -noFunctionObjects -scaleIn -scaleOut -srcDoc -to -tri"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4696,7 +4690,7 @@ _surfaceMeshConvertTesting_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -clean -doc -help -noFunctionObjects -orient -scale -srcDoc -surfMesh -triFace -triSurface -unsorted"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4725,7 +4719,7 @@ _surfaceMeshExport_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -clean -dict -doc -from -help -name -noFunctionObjects -scaleIn -scaleOut -srcDoc -to"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4750,7 +4744,7 @@ _surfaceMeshImport_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -clean -dict -doc -from -help -name -noFunctionObjects -scaleIn -scaleOut -srcDoc -to"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4781,7 +4775,7 @@ _surfaceMeshInfo_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-areas -case -doc -help -noFunctionObjects -scale -srcDoc -xml"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4810,7 +4804,7 @@ _surfaceMeshTriangulate_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -excludeProcPatches -faceZones -help -noFunctionObjects -parallel -patches -region -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4833,7 +4827,7 @@ _surfaceOrient_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -inside -noFunctionObjects -srcDoc -usePierceTest"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4860,7 +4854,7 @@ _surfacePointMerge_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4887,7 +4881,7 @@ _surfaceRedistributePar_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -keepNonMapped -noFunctionObjects -parallel -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4916,7 +4910,7 @@ _surfaceRefineRedGreen_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4943,7 +4937,7 @@ _surfaceSplitByPatch_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4970,7 +4964,7 @@ _surfaceSplitByTopology_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-doc -help -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -4992,7 +4986,7 @@ _surfaceSplitNonManifolds_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -debug -doc -help -noFunctionObjects -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -5019,7 +5013,7 @@ _surfaceSubset_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -5046,7 +5040,7 @@ _surfaceToPatch_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -faceSet -help -noFunctionObjects -srcDoc -tol"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -5075,7 +5069,7 @@ _surfaceTransformPoints_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -rollPitchYaw -rotate -scale -srcDoc -translate -yawPitchRoll"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -5104,7 +5098,7 @@ _temporalInterpolate_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -constant -divisions -doc -fields -help -interpolationType -latestTime -newTimes -noFunctionObjects -noZero -parallel -region -roots -srcDoc -time"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -5127,11 +5121,11 @@ _tetgenToFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFaceFile -noFunctionObjects -parallel -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
-    extra="-d -f"
+    extra=""
 
     [ "$COMP_CWORD" = 1 ] || \
     case "$prev" in
@@ -5139,13 +5133,7 @@ _tetgenToFoam_ ()
             opts="" ; extra="-d" ;;
         -roots)
             opts="" ; extra="" ;;
-       -*) ;;
-        *)
-            case "${COMP_WORDS[COMP_CWORD-2]}" in
-                -roots|-case) ;;
-                *) opts=""; extra="" ;;
-            esac
-            ;;
+       *) ;;
     esac
     COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
 }
@@ -5156,7 +5144,7 @@ _thermoFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -5179,7 +5167,7 @@ _topoSet_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -constant -dict -doc -help -latestTime -newTimes -noFunctionObjects -noSync -noZero -parallel -region -roots -srcDoc -time"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -5204,7 +5192,7 @@ _transformPoints_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -region -rollPitchYaw -roots -rotate -rotateFields -scale -srcDoc -translate -yawPitchRoll"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -5227,7 +5215,7 @@ _twoLiquidMixingFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -5250,7 +5238,7 @@ _twoPhaseEulerFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -5273,7 +5261,7 @@ _uncoupledKinematicParcelDyMFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -cloudName -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -5296,7 +5284,7 @@ _uncoupledKinematicParcelFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -cloudName -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -5319,7 +5307,7 @@ _viewFactorsGen_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -region -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -5342,7 +5330,7 @@ _vtkUnstructuredToFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -5369,7 +5357,7 @@ _wallFunctionTable_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -5392,7 +5380,7 @@ _writeMeshObj_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -cell -cellSet -constant -doc -face -faceSet -help -latestTime -newTimes -noFunctionObjects -noZero -parallel -patchEdges -patchFaces -point -region -roots -srcDoc -time"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -5415,7 +5403,7 @@ _XiFoam_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -postProcess -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -5438,7 +5426,7 @@ _zipUpMesh_ ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local prev="${COMP_WORDS[COMP_CWORD-1]}"
     local line=${COMP_LINE}
-    local used=$(echo $line | grep -oE "\-[a-Z]+ ")
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
 
     opts="-case -doc -help -noFunctionObjects -parallel -region -roots -srcDoc"
     for o in $used ; do opts="${opts/$o/}" ; done
@@ -5456,4 +5444,842 @@ _zipUpMesh_ ()
 }
 complete -o nospace -F _zipUpMesh_ zipUpMesh
 
+_Co_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts=""
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _Co_ Co
+
+_createTurbulenceFields_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts=""
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _createTurbulenceFields_ createTurbulenceFields
+
+_execFlowFunctionObjects_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts="-case -constant -dict -doc -field -fields -func -funcs -help -latestTime -list -newTimes -noFunctionObjects -noZero -parallel -postProcess -region -roots -srcDoc -time"
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+        -case)
+            opts="" ; extra="-d" ;;
+        -dict)
+            opts="" ; extra="-d -f" ;;
+        -field|-fields|-func|-funcs|-region|-roots|-time)
+            opts="" ; extra="" ;;
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _execFlowFunctionObjects_ execFlowFunctionObjects
+
+_foamCalc_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts="-case -constant -dict -doc -field -fields -func -funcs -help -latestTime -list -newTimes -noFunctionObjects -noZero -parallel -region -roots -srcDoc -time"
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+        -case)
+            opts="" ; extra="-d" ;;
+        -dict)
+            opts="" ; extra="-d -f" ;;
+        -field|-fields|-func|-funcs|-region|-roots|-time)
+            opts="" ; extra="" ;;
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _foamCalc_ foamCalc
+
+_foamCleanPath_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts="-help -strip"
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _foamCleanPath_ foamCleanPath
+
+_foamCleanPolyMesh_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts="-case -help -region"
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+        -case)
+            opts="" ; extra="-d" ;;
+        -region)
+            opts="" ; extra="" ;;
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _foamCleanPolyMesh_ foamCleanPolyMesh
+
+_foamCleanTutorials_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts="-help"
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _foamCleanTutorials_ foamCleanTutorials
+
+_foamCloneCase_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts="-help -latestTime"
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra="-d"
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+       -*) ;;
+        *)
+            opts=""; extra=""
+            ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _foamCloneCase_ foamCloneCase
+
+_foamCreateVideo_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts="-dir -fps -help -image -out -start -webm"
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+        -dir)
+            opts="" ; extra="-d" ;;
+        -fps|-image|-out|-start)
+            opts="" ; extra="" ;;
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _foamCreateVideo_ foamCreateVideo
+
+_foamDebugSwitches_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts=""
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _foamDebugSwitches_ foamDebugSwitches
+
+_foamEbrowse_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts="-help"
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _foamEbrowse_ foamEbrowse
+
+_foamEtcFile_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts="-all -help -list -mode -prefix -quiet -silent -version"
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+        -prefix)
+            opts="" ; extra="-d" ;;
+        -mode|-version)
+            opts="" ; extra="" ;;
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _foamEtcFile_ foamEtcFile
+
+_foamExec_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts="-help -prefix -version"
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+        -prefix)
+            opts="" ; extra="-d" ;;
+        -version)
+            opts="" ; extra="" ;;
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _foamExec_ foamExec
+
+_foamJob_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts="-append -case -help -parallel -screen -version -wait"
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+        -case)
+            opts="" ; extra="-d" ;;
+        -version)
+            opts="" ; extra="" ;;
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _foamJob_ foamJob
+
+_foamLog_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts="-help -list -localDB -n -quiet"
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra="-d -f"
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+       -*) ;;
+        *)
+            opts=""; extra=""
+            ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _foamLog_ foamLog
+
+_foamMonitor_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts="-help -idle -logscale -refresh -yrange"
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra="-d -f"
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+        -idle|-refresh|-yrange)
+            opts="" ; extra="" ;;
+       -*) ;;
+        *)
+            case "${COMP_WORDS[COMP_CWORD-2]}" in
+                -idle|-refresh|-yrange) ;;
+                *) opts=""; extra="" ;;
+            esac
+            ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _foamMonitor_ foamMonitor
+
+_foamNew_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts="-help -source -template"
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+        -source|-template)
+            opts="" ; extra="" ;;
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _foamNew_ foamNew
+
+_foamNewApp_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts="-help"
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _foamNewApp_ foamNewApp
+
+_foamNewBC_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts="-help"
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _foamNewBC_ foamNewBC
+
+_foamNewFunctionObject_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts="-help"
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _foamNewFunctionObject_ foamNewFunctionObject
+
+_foamRunTutorials_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts="-help -skipFirst -test"
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _foamRunTutorials_ foamRunTutorials
+
+_foamSearch_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts="-count -help"
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra="-d"
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+       -*) ;;
+        *)
+            opts=""; extra=""
+            ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _foamSearch_ foamSearch
+
+_foamSequenceVTKFiles_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts="-case -dir -help -out"
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+        -case|-dir|-out)
+            opts="" ; extra="-d" ;;
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _foamSequenceVTKFiles_ foamSequenceVTKFiles
+
+_foamTags_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts="-help"
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _foamTags_ foamTags
+
+_foamUpdateCaseFileHeader_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts="-help -version"
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+        -version)
+            opts="" ; extra="" ;;
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _foamUpdateCaseFileHeader_ foamUpdateCaseFileHeader
+
+_Mach_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts=""
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _Mach_ Mach
+
+_mpirunDebug_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts="-help"
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _mpirunDebug_ mpirunDebug
+
+_paraFoam_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts="-block -builtin -case -help -region -touch -touchAll"
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+        -case)
+            opts="" ; extra="-d" ;;
+        -region)
+            opts="" ; extra="" ;;
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _paraFoam_ paraFoam
+
+_patchAverage_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts=""
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _patchAverage_ patchAverage
+
+_patchIntegrate_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts=""
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _patchIntegrate_ patchIntegrate
+
+_Pe_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts=""
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _Pe_ Pe
+
+_probeLocations_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts=""
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _probeLocations_ probeLocations
+
+_ptot_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts=""
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _ptot_ ptot
+
+_rm~all_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts="-help"
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _rm~all_ rm~all
+
+_rmcore_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts="-help"
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _rmcore_ rmcore
+
+_sample_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts=""
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _sample_ sample
+
+_stressComponents_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts=""
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _stressComponents_ stressComponents
+
+_supersededByPostProcess_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts=""
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _supersededByPostProcess_ supersededByPostProcess
+
+_supersededByPostProcessOption_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts=""
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _supersededByPostProcessOption_ supersededByPostProcessOption
+
+_wallGradU_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts=""
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _wallGradU_ wallGradU
+
+_wdot_ ()
+{
+    local cur="${COMP_WORDS[COMP_CWORD]}"
+    local prev="${COMP_WORDS[COMP_CWORD-1]}"
+    local line=${COMP_LINE}
+    local used=$(echo "$line" | grep -oE "\-[a-zA-Z]+ ")
+
+    opts=""
+    for o in $used ; do opts="${opts/$o/}" ; done
+    extra=""
+
+    [ "$COMP_CWORD" = 1 ] || \
+    case "$prev" in
+       *) ;;
+    esac
+    COMPREPLY=( $(compgen -W "${opts}" $extra -- ${cur}) )
+}
+complete -o nospace -F _wdot_ wdot
+
 #------------------------------------------------------------------------------