diff --git a/bin/foamGraphExecTime b/bin/foamGraphExecTime
index 2b1be274b0..3dc2fa2c70 100755
--- a/bin/foamGraphExecTime
+++ b/bin/foamGraphExecTime
@@ -29,6 +29,10 @@
 # Description
 #     
 #------------------------------------------------------------------------------
+if (! -f "$1" ) then
+    echo "No file: '$1'"
+    exit 1
+endif
 
 set tmpTime = newTime$$.dat
 cat $1 | grep "ExecutionTime = " | awk 'BEGIN { NENTRIES = 0 ; TPREV = 0.0 }{NENTRIES++; printf("%f %e\n", NENTRIES, $3 - TPREV); TPREV = $3}' - > $tmpTime
diff --git a/bin/foamGraphResKE b/bin/foamGraphResKE
index ae9d713ef2..d00798f507 100755
--- a/bin/foamGraphResKE
+++ b/bin/foamGraphResKE
@@ -29,6 +29,10 @@
 # Description
 #     
 #------------------------------------------------------------------------------
+if (! -f "$1" ) then
+    echo "No file: '$1'"
+    exit 1
+endif
 
 set tmpK = newK$$.dat
 cat $1 | grep "Solving for k" | grep -v "solution singularity" | sed s/,//g | awk 'BEGIN { NENTRIES = 0 }{NENTRIES++; printf("%f %e\n", NENTRIES, $8)}' - > $tmpK
diff --git a/bin/foamGraphResUVWP b/bin/foamGraphResUVWP
index 036cf47b5a..1b34258fcf 100755
--- a/bin/foamGraphResUVWP
+++ b/bin/foamGraphResUVWP
@@ -29,6 +29,10 @@
 # Description
 #     
 #------------------------------------------------------------------------------
+if (! -f "$1" ) then
+    echo "No file: '$1'"
+    exit 1
+endif
 
 set tmpU = newU$$.dat
 cat $1 | grep "Solving for Ux" | grep -v "solution singularity" | sed s/,//g | awk 'BEGIN { NENTRIES = 0 }{NENTRIES++; printf("%d %e\n", NENTRIES, $8)}' - > $tmpU