From 9b0bebec00094b19e5a99675f4a9bf958e558044 Mon Sep 17 00:00:00 2001
From: mattijs <mattijs@hunt.opencfd.co.uk>
Date: Fri, 6 Feb 2009 15:12:24 +0000
Subject: [PATCH] making overwrite work

---
 .../advanced/collapseEdges/collapseEdges.C    |  7 ++++++-
 .../combinePatchFaces/combinePatchFaces.C     |  6 ++++++
 .../mesh/advanced/modifyMesh/modifyMesh.C     | 19 +++++++++++++++---
 .../advanced/refineHexMesh/refineHexMesh.C    |  6 ++++++
 .../refineWallLayer/refineWallLayer.C         |  8 +++++++-
 .../mesh/advanced/removeFaces/removeFaces.C   |  5 +++++
 .../mesh/advanced/splitCells/splitCells.C     |  9 ++++++++-
 .../polyDualMesh/makePolyDualMesh.C           |  6 +++++-
 .../extrude2DMesh/doExtrude2DMesh.C           |  5 +++++
 .../mesh/manipulation/attachMesh/attachMesh.C |  5 +++++
 .../mesh/manipulation/autoPatch/autoPatch.C   |  5 +++++
 .../mesh/manipulation/cellSet/cellSet.C       | 14 +------------
 .../createBaffles/createBaffles.C             |  5 +++++
 .../manipulation/createPatch/createPatch.C    |  5 +++++
 .../mesh/manipulation/faceSet/faceSet.C       | 14 +------------
 .../manipulation/mergeMeshes/mergeMeshes.C    |  6 +++---
 .../mergeOrSplitBaffles/mergeOrSplitBaffles.C |  6 +++++-
 .../mesh/manipulation/pointSet/pointSet.C     | 14 +------------
 .../mesh/manipulation/refineMesh/refineMesh.C |  5 +++++
 .../manipulation/renumberMesh/renumberMesh.C  |  8 ++++++--
 .../mesh/manipulation/splitMesh/splitMesh.C   |  8 +++++++-
 .../splitMeshRegions/splitMeshRegions.C       | 20 ++++++++++++++-----
 .../mesh/manipulation/stitchMesh/stitchMesh.C |  5 +++++
 .../mesh/manipulation/subsetMesh/subsetMesh.C |  7 ++++++-
 24 files changed, 139 insertions(+), 59 deletions(-)

diff --git a/applications/utilities/mesh/advanced/collapseEdges/collapseEdges.C b/applications/utilities/mesh/advanced/collapseEdges/collapseEdges.C
index c92418dc80..a780d8aecb 100644
--- a/applications/utilities/mesh/advanced/collapseEdges/collapseEdges.C
+++ b/applications/utilities/mesh/advanced/collapseEdges/collapseEdges.C
@@ -464,6 +464,7 @@ int main(int argc, char *argv[])
 #   include "createTime.H"
     runTime.functionObjects().off();
 #   include "createPolyMesh.H"
+    const word oldInstance = mesh.pointsInstance();
 
     scalar minLen(readScalar(IStringStream(args.additionalArgs()[0])()));
     scalar angle(readScalar(IStringStream(args.additionalArgs()[1])()));
@@ -587,8 +588,12 @@ int main(int argc, char *argv[])
         {
             runTime++;
         }
+        else
+        {
+            mesh.setInstance(oldInstance);
+        }
 
-        Info << "Writing collapsed mesh to time " << runTime.value() << endl;
+        Info<< "Writing collapsed mesh to time " << runTime.timeName() << endl;
 
         mesh.write();
     }
diff --git a/applications/utilities/mesh/advanced/combinePatchFaces/combinePatchFaces.C b/applications/utilities/mesh/advanced/combinePatchFaces/combinePatchFaces.C
index c4e47890d5..17092d5a6e 100644
--- a/applications/utilities/mesh/advanced/combinePatchFaces/combinePatchFaces.C
+++ b/applications/utilities/mesh/advanced/combinePatchFaces/combinePatchFaces.C
@@ -441,6 +441,7 @@ int main(int argc, char *argv[])
 #   include "createTime.H"
     runTime.functionObjects().off();
 #   include "createPolyMesh.H"
+    const word oldInstance = mesh.pointsInstance();
 
     scalar featureAngle(readScalar(IStringStream(args.additionalArgs()[0])()));
 
@@ -502,6 +503,11 @@ int main(int argc, char *argv[])
 
     if (nChanged > 0)
     {
+        if (overwrite)
+        {
+            mesh.setInstance(oldInstance);
+        }
+
         Info<< "Writing morphed mesh to time " << runTime.timeName() << endl;
 
         mesh.write();
diff --git a/applications/utilities/mesh/advanced/modifyMesh/modifyMesh.C b/applications/utilities/mesh/advanced/modifyMesh/modifyMesh.C
index 67fdc0807e..0011d750e5 100644
--- a/applications/utilities/mesh/advanced/modifyMesh/modifyMesh.C
+++ b/applications/utilities/mesh/advanced/modifyMesh/modifyMesh.C
@@ -334,6 +334,7 @@ int main(int argc, char *argv[])
 #   include "createTime.H"
     runTime.functionObjects().off();
 #   include "createPolyMesh.H"
+    const word oldInstance = mesh.pointsInstance();
 
     bool overwrite = args.options().found("overwrite");
 
@@ -553,9 +554,13 @@ int main(int argc, char *argv[])
         {
             runTime++;
         }
+        else
+        {
+            mesh.setInstance(oldInstance);
+        }
 
         // Write resulting mesh
-        Info << "Writing modified mesh to time " << runTime.value() << endl;
+        Info << "Writing modified mesh to time " << runTime.timeName() << endl;
         mesh.write();
     }
     else if (edgeToPos.size())
@@ -602,9 +607,13 @@ int main(int argc, char *argv[])
         {
             runTime++;
         }
+        else
+        {
+            mesh.setInstance(oldInstance);
+        }
 
         // Write resulting mesh
-        Info << "Writing modified mesh to time " << runTime.value() << endl;
+        Info << "Writing modified mesh to time " << runTime.timeName() << endl;
         mesh.write();
     }
     else
@@ -641,9 +650,13 @@ int main(int argc, char *argv[])
         {
             runTime++;
         }
+        else
+        {
+            mesh.setInstance(oldInstance);
+        }
 
         // Write resulting mesh
-        Info << "Writing modified mesh to time " << runTime.value() << endl;
+        Info << "Writing modified mesh to time " << runTime.timeName() << endl;
         mesh.write();
     }
 
diff --git a/applications/utilities/mesh/advanced/refineHexMesh/refineHexMesh.C b/applications/utilities/mesh/advanced/refineHexMesh/refineHexMesh.C
index 4a45f214f6..364aed2e16 100644
--- a/applications/utilities/mesh/advanced/refineHexMesh/refineHexMesh.C
+++ b/applications/utilities/mesh/advanced/refineHexMesh/refineHexMesh.C
@@ -58,6 +58,8 @@ int main(int argc, char *argv[])
 #   include "createTime.H"
     runTime.functionObjects().off();
 #   include "createMesh.H"
+    const word oldInstance = mesh.pointsInstance();
+
     pointMesh pMesh(mesh);
 
     word cellSetName(args.args()[1]);
@@ -177,6 +179,10 @@ int main(int argc, char *argv[])
     Pout<< "Refined from " << returnReduce(map().nOldCells(), sumOp<label>())
         << " to " << mesh.globalData().nTotalCells() << " cells." << nl << endl;
 
+    if (overwrite)
+    {
+        mesh.setInstance(oldInstance);
+    }
     Info<< "Writing mesh to " << runTime.timeName() << endl;
 
     mesh.write();
diff --git a/applications/utilities/mesh/advanced/refineWallLayer/refineWallLayer.C b/applications/utilities/mesh/advanced/refineWallLayer/refineWallLayer.C
index 672cf3f6ba..9c608366aa 100644
--- a/applications/utilities/mesh/advanced/refineWallLayer/refineWallLayer.C
+++ b/applications/utilities/mesh/advanced/refineWallLayer/refineWallLayer.C
@@ -56,6 +56,7 @@ int main(int argc, char *argv[])
 #   include "createTime.H"
     runTime.functionObjects().off();
 #   include "createPolyMesh.H"
+    const word oldInstance = mesh.pointsInstance();
 
     word patchName(args.additionalArgs()[0]);
 
@@ -226,8 +227,13 @@ int main(int argc, char *argv[])
     // Update stored labels on meshCutter.
     cutter.updateMesh(morphMap());
 
+    if (overwrite)
+    {
+        mesh.setInstance(oldInstance);
+    }
+
     // Write resulting mesh
-    Info << "Writing refined morphMesh to time " << runTime.value() << endl;
+    Info << "Writing refined morphMesh to time " << runTime.timeName() << endl;
 
     mesh.write();
 
diff --git a/applications/utilities/mesh/advanced/removeFaces/removeFaces.C b/applications/utilities/mesh/advanced/removeFaces/removeFaces.C
index b5af23a516..26ee404fe8 100644
--- a/applications/utilities/mesh/advanced/removeFaces/removeFaces.C
+++ b/applications/utilities/mesh/advanced/removeFaces/removeFaces.C
@@ -55,6 +55,7 @@ int main(int argc, char *argv[])
 #   include "createTime.H"
     runTime.functionObjects().off();
 #   include "createMesh.H"
+    const word oldInstance = mesh.pointsInstance();
 
     bool overwrite = args.options().found("overwrite");
 
@@ -167,6 +168,10 @@ int main(int argc, char *argv[])
     {
         runTime++;
     }
+    else
+    {
+        mesh.setInstance(oldInstance);
+    }
 
     // Take over refinement levels and write to new time directory.
     Pout<< "Writing mesh to time " << runTime.timeName() << endl;
diff --git a/applications/utilities/mesh/advanced/splitCells/splitCells.C b/applications/utilities/mesh/advanced/splitCells/splitCells.C
index 4e5b501b85..6424745e9a 100644
--- a/applications/utilities/mesh/advanced/splitCells/splitCells.C
+++ b/applications/utilities/mesh/advanced/splitCells/splitCells.C
@@ -534,6 +534,7 @@ int main(int argc, char *argv[])
 #   include "createTime.H"
     runTime.functionObjects().off();
 #   include "createPolyMesh.H"
+    const word oldInstance = mesh.pointsInstance();
 
     scalar featureAngle(readScalar(IStringStream(args.additionalArgs()[0])()));
 
@@ -693,7 +694,13 @@ int main(int argc, char *argv[])
         Info<< "Remaining:" << cellsToCut.size() << endl;
 
         // Write resulting mesh
-        Info << "Writing refined morphMesh to time " << runTime.value() << endl;
+        if (overwrite)
+        {
+            mesh.setInstance(oldInstance);
+        }
+
+        Info<< "Writing refined morphMesh to time " << runTime.timeName()
+            << endl;
 
         mesh.write();
     }
diff --git a/applications/utilities/mesh/conversion/polyDualMesh/makePolyDualMesh.C b/applications/utilities/mesh/conversion/polyDualMesh/makePolyDualMesh.C
index b647ec8d13..ab55305402 100644
--- a/applications/utilities/mesh/conversion/polyDualMesh/makePolyDualMesh.C
+++ b/applications/utilities/mesh/conversion/polyDualMesh/makePolyDualMesh.C
@@ -354,6 +354,7 @@ int main(int argc, char *argv[])
     runTime.setTime(Times[startTime], startTime);
 
 #   include "createMesh.H"
+    const word oldInstance = mesh.pointsInstance();
 
     // Mark boundary edges and points.
     // (Note: in 1.4.2 we can use the built-in mesh point ordering
@@ -499,7 +500,10 @@ int main(int argc, char *argv[])
     if (!overwrite)
     {
         runTime++;
-        mesh.setInstance(runTime.timeName());
+    }
+    else
+    {
+        mesh.setInstance(oldInstance);
     }
 
     Info<< "Writing dual mesh to " << runTime.timeName() << endl;
diff --git a/applications/utilities/mesh/generation/extrude2DMesh/doExtrude2DMesh.C b/applications/utilities/mesh/generation/extrude2DMesh/doExtrude2DMesh.C
index 4d38c24269..2e0c16a511 100644
--- a/applications/utilities/mesh/generation/extrude2DMesh/doExtrude2DMesh.C
+++ b/applications/utilities/mesh/generation/extrude2DMesh/doExtrude2DMesh.C
@@ -63,6 +63,7 @@ int main(int argc, char *argv[])
 #   include "createTime.H"
     runTime.functionObjects().off();
 #   include "createPolyMesh.H"
+    const word oldInstance = mesh.pointsInstance();
 
     scalar thickness(readScalar(IStringStream(args.additionalArgs()[0])()));
     bool overwrite = args.options().found("overwrite");
@@ -182,6 +183,10 @@ int main(int argc, char *argv[])
     {
         runTime++;
     }
+    else
+    {
+        mesh.setInstance(oldInstance);
+    }
 
     // Take over refinement levels and write to new time directory.
     Pout<< "Writing extruded mesh to time " << runTime.timeName() << nl
diff --git a/applications/utilities/mesh/manipulation/attachMesh/attachMesh.C b/applications/utilities/mesh/manipulation/attachMesh/attachMesh.C
index bf8665afbd..1f9a898d43 100644
--- a/applications/utilities/mesh/manipulation/attachMesh/attachMesh.C
+++ b/applications/utilities/mesh/manipulation/attachMesh/attachMesh.C
@@ -48,6 +48,7 @@ int main(int argc, char *argv[])
 #   include "createTime.H"
     runTime.functionObjects().off();
 #   include "createPolyMesh.H"
+    const word oldInstance = mesh.pointsInstance();
 
     bool overwrite = args.options().found("overwrite");
 
@@ -61,6 +62,10 @@ int main(int argc, char *argv[])
 
     attachPolyTopoChanger(mesh).attach();
 
+    if (overwrite)
+    {
+        mesh.setInstance(oldInstance);
+    }
     mesh.write();
 
     Info<< "End\n" << endl;
diff --git a/applications/utilities/mesh/manipulation/autoPatch/autoPatch.C b/applications/utilities/mesh/manipulation/autoPatch/autoPatch.C
index abf5a5654e..96a7ee5197 100644
--- a/applications/utilities/mesh/manipulation/autoPatch/autoPatch.C
+++ b/applications/utilities/mesh/manipulation/autoPatch/autoPatch.C
@@ -77,6 +77,7 @@ int main(int argc, char *argv[])
 #   include "createTime.H"
     runTime.functionObjects().off();
 #   include "createPolyMesh.H"
+    const word oldInstance = mesh.pointsInstance();
 
     Info<< "Mesh read in = "
         << runTime.cpuTimeIncrement()
@@ -243,6 +244,10 @@ int main(int argc, char *argv[])
     polyMeshRepatcher.repatch();
 
     // Write resulting mesh
+    if (overwrite)
+    {
+        mesh.setInstance(oldInstance);
+    }
     mesh.write();
 
 
diff --git a/applications/utilities/mesh/manipulation/cellSet/cellSet.C b/applications/utilities/mesh/manipulation/cellSet/cellSet.C
index addac968b8..ca8225d3f2 100644
--- a/applications/utilities/mesh/manipulation/cellSet/cellSet.C
+++ b/applications/utilities/mesh/manipulation/cellSet/cellSet.C
@@ -74,19 +74,7 @@ int main(int argc, char *argv[])
 {
 #   include "setRootCase.H"
 #   include "createTime.H"
-
-    Info<< "Reading mesh for time = " << runTime.value() << endl;
-
-    Info<< "Create mesh\n" << endl;
-    polyMesh mesh
-    (
-        IOobject
-        (
-            polyMesh::defaultRegion,
-            runTime.timeName(),
-            runTime
-        )
-    );
+#   include "createPolyMesh.H"
 
     Info<< "Reading cellSetDict\n" << endl;
 
diff --git a/applications/utilities/mesh/manipulation/createBaffles/createBaffles.C b/applications/utilities/mesh/manipulation/createBaffles/createBaffles.C
index 2d45777397..4970d0bcce 100644
--- a/applications/utilities/mesh/manipulation/createBaffles/createBaffles.C
+++ b/applications/utilities/mesh/manipulation/createBaffles/createBaffles.C
@@ -60,6 +60,7 @@ int main(int argc, char *argv[])
 #   include "createTime.H"
     runTime.functionObjects().off();
 #   include "createMesh.H"
+    const word oldInstance = mesh.pointsInstance();
 
     const polyBoundaryMesh& patches = mesh.boundaryMesh();
     const faceZoneMesh& faceZones = mesh.faceZones();
@@ -247,6 +248,10 @@ int main(int argc, char *argv[])
         mesh.movePoints(map().preMotionPoints());
     }
 
+    if (overwrite)
+    {
+        mesh.setInstance(oldInstance);
+    }
     Pout<< "Writing mesh to " << runTime.timeName() << endl;
 
     mesh.write();
diff --git a/applications/utilities/mesh/manipulation/createPatch/createPatch.C b/applications/utilities/mesh/manipulation/createPatch/createPatch.C
index d6d58dd542..7e0443a614 100644
--- a/applications/utilities/mesh/manipulation/createPatch/createPatch.C
+++ b/applications/utilities/mesh/manipulation/createPatch/createPatch.C
@@ -569,6 +569,7 @@ int main(int argc, char *argv[])
 
 
 #   include "createPolyMesh.H"
+    const word oldInstance = mesh.pointsInstance();
 
     const polyBoundaryMesh& patches = mesh.boundaryMesh();
 
@@ -909,6 +910,10 @@ int main(int argc, char *argv[])
     {
         runTime++;
     }
+    else
+    {
+        mesh.setInstance(oldInstance);
+    }
 
     // Write resulting mesh
     Info<< "Writing repatched mesh to " << runTime.timeName() << nl << endl;
diff --git a/applications/utilities/mesh/manipulation/faceSet/faceSet.C b/applications/utilities/mesh/manipulation/faceSet/faceSet.C
index de41b2c464..d1700cc2f9 100644
--- a/applications/utilities/mesh/manipulation/faceSet/faceSet.C
+++ b/applications/utilities/mesh/manipulation/faceSet/faceSet.C
@@ -74,19 +74,7 @@ int main(int argc, char *argv[])
 {
 #   include "setRootCase.H"
 #   include "createTime.H"
-
-    Info<< "Reading mesh for time = " << runTime.value() << endl;
-
-    Info<< "Create mesh\n" << endl;
-    polyMesh mesh
-    (
-        IOobject
-        (
-            polyMesh::defaultRegion,
-            runTime.timeName(),
-            runTime
-        )
-    );
+#   include "createPolyMesh.H"
 
     Info<< "Reading faceSetDict\n" << endl;
 
diff --git a/applications/utilities/mesh/manipulation/mergeMeshes/mergeMeshes.C b/applications/utilities/mesh/manipulation/mergeMeshes/mergeMeshes.C
index aa55e24df1..28955c4d6f 100644
--- a/applications/utilities/mesh/manipulation/mergeMeshes/mergeMeshes.C
+++ b/applications/utilities/mesh/manipulation/mergeMeshes/mergeMeshes.C
@@ -42,7 +42,7 @@ int main(int argc, char *argv[])
 #   include "setRoots.H"
 #   include "createTimes.H"
 
-    Info<< "Reading master mesh for time = " << runTimeMaster.value() << endl;
+    Info<< "Reading master mesh for time = " << runTimeMaster.timeName() << endl;
 
     Info<< "Create mesh\n" << endl;
     mergePolyMesh masterMesh
@@ -56,7 +56,7 @@ int main(int argc, char *argv[])
     );
 
 
-    Info<< "Reading mesh to add for time = " << runTimeToAdd.value() << endl;
+    Info<< "Reading mesh to add for time = " << runTimeToAdd.timeName() << endl;
 
     Info<< "Create mesh\n" << endl;
     polyMesh meshToAdd
@@ -71,7 +71,7 @@ int main(int argc, char *argv[])
 
     runTimeMaster++;
 
-    Info<< "Writing combined mesh to " << runTimeMaster.value() << endl;
+    Info<< "Writing combined mesh to " << runTimeMaster.timeName() << endl;
 
     masterMesh.addMesh(meshToAdd);
     masterMesh.merge();
diff --git a/applications/utilities/mesh/manipulation/mergeOrSplitBaffles/mergeOrSplitBaffles.C b/applications/utilities/mesh/manipulation/mergeOrSplitBaffles/mergeOrSplitBaffles.C
index ccc91a903b..7f694438e9 100644
--- a/applications/utilities/mesh/manipulation/mergeOrSplitBaffles/mergeOrSplitBaffles.C
+++ b/applications/utilities/mesh/manipulation/mergeOrSplitBaffles/mergeOrSplitBaffles.C
@@ -229,6 +229,7 @@ int main(int argc, char *argv[])
 #   include "createTime.H"
     runTime.functionObjects().off();
 #   include "createMesh.H"
+    const word oldInstance = mesh.pointsInstance();
 
     bool split = args.options().found("split");
     bool overwrite = args.options().found("overwrite");
@@ -338,7 +339,10 @@ int main(int argc, char *argv[])
         mesh.movePoints(map().preMotionPoints());
     }
 
-
+    if (overwrite)
+    {
+        mesh.setInstance(oldInstance);
+    }
     Pout<< "Writing mesh to time " << runTime.timeName() << endl;
     mesh.write();
 
diff --git a/applications/utilities/mesh/manipulation/pointSet/pointSet.C b/applications/utilities/mesh/manipulation/pointSet/pointSet.C
index 79414fcde7..ef57d08d07 100644
--- a/applications/utilities/mesh/manipulation/pointSet/pointSet.C
+++ b/applications/utilities/mesh/manipulation/pointSet/pointSet.C
@@ -74,19 +74,7 @@ int main(int argc, char *argv[])
 {
 #   include "setRootCase.H"
 #   include "createTime.H"
-
-    Info<< "Reading mesh for time = " << runTime.value() << endl;
-
-    Info<< "Create mesh\n" << endl;
-    polyMesh mesh
-    (
-        IOobject
-        (
-            polyMesh::defaultRegion,
-            runTime.timeName(),
-            runTime
-        )
-    );
+#   include "createPolyMesh.H"
 
     Info<< "Reading pointSetDict\n" << endl;
 
diff --git a/applications/utilities/mesh/manipulation/refineMesh/refineMesh.C b/applications/utilities/mesh/manipulation/refineMesh/refineMesh.C
index 95c7973d2c..7636801b51 100644
--- a/applications/utilities/mesh/manipulation/refineMesh/refineMesh.C
+++ b/applications/utilities/mesh/manipulation/refineMesh/refineMesh.C
@@ -300,6 +300,7 @@ int main(int argc, char *argv[])
 #   include "createTime.H"
     runTime.functionObjects().off();
 #   include "createPolyMesh.H"
+    const word oldInstance = mesh.pointsInstance();
 
     printEdgeStats(mesh);
 
@@ -427,6 +428,10 @@ int main(int argc, char *argv[])
 
 
     // Write resulting mesh
+    if (overwrite)
+    {
+        mesh.setInstance(oldInstance);
+    }
     mesh.write();
 
 
diff --git a/applications/utilities/mesh/manipulation/renumberMesh/renumberMesh.C b/applications/utilities/mesh/manipulation/renumberMesh/renumberMesh.C
index d93663b789..b066936f83 100644
--- a/applications/utilities/mesh/manipulation/renumberMesh/renumberMesh.C
+++ b/applications/utilities/mesh/manipulation/renumberMesh/renumberMesh.C
@@ -383,9 +383,8 @@ int main(int argc, char *argv[])
 
     runTime.setTime(Times[startTime], startTime);
 
-
 #   include "createMesh.H"
-
+    const word oldInstance = mesh.pointsInstance();
 
     const bool blockOrder = args.options().found("blockOrder");
 
@@ -631,6 +630,11 @@ int main(int argc, char *argv[])
             << endl;
     }
 
+
+    if (overwrite)
+    {
+        mesh.setInstance(oldInstance);
+    }
     Info<< "Writing mesh to " << runTime.timeName() << endl;
 
     mesh.write();
diff --git a/applications/utilities/mesh/manipulation/splitMesh/splitMesh.C b/applications/utilities/mesh/manipulation/splitMesh/splitMesh.C
index aef00fe7e9..4fb1c875bb 100644
--- a/applications/utilities/mesh/manipulation/splitMesh/splitMesh.C
+++ b/applications/utilities/mesh/manipulation/splitMesh/splitMesh.C
@@ -124,6 +124,7 @@ int main(int argc, char *argv[])
 #   include "createTime.H"
     runTime.functionObjects().off();
 #   include "createPolyMesh.H"
+    const word oldInstance = mesh.pointsInstance();
 
     word setName(args.additionalArgs()[0]);
     word masterPatch(args.additionalArgs()[1]);
@@ -262,7 +263,12 @@ int main(int argc, char *argv[])
 
     splitter.attach();
 
-    Info << nl << "Writing polyMesh" << endl;
+    if (overwrite)
+    {
+        mesh.setInstance(oldInstance);
+    }
+
+    Info<< "Writing mesh to " << runTime.timeName() << endl;
     if (!mesh.write())
     {
         FatalErrorIn(args.executable())
diff --git a/applications/utilities/mesh/manipulation/splitMeshRegions/splitMeshRegions.C b/applications/utilities/mesh/manipulation/splitMeshRegions/splitMeshRegions.C
index 02accb32a8..aa83952b88 100644
--- a/applications/utilities/mesh/manipulation/splitMeshRegions/splitMeshRegions.C
+++ b/applications/utilities/mesh/manipulation/splitMeshRegions/splitMeshRegions.C
@@ -763,7 +763,8 @@ void createAndWriteRegion
     const regionSplit& cellRegion,
     const wordList& regionNames,
     const EdgeMap<label>& interfaceToPatch,
-    const label regionI
+    const label regionI,
+    const word& newMeshInstance
 )
 {
     Info<< "Creating mesh for region " << regionI
@@ -907,6 +908,7 @@ void createAndWriteRegion
 
     Info<< "Writing new mesh" << endl;
 
+    newMesh().setInstance(newMeshInstance);
     newMesh().write();
 
     // Write addressing files like decomposePar
@@ -1235,6 +1237,7 @@ int main(int argc, char *argv[])
 #   include "createTime.H"
     runTime.functionObjects().off();
 #   include "createMesh.H"
+    const word oldInstance = mesh.pointsInstance();
 
     word blockedFacesName;
     if (args.options().found("blockedFaces"))
@@ -1712,12 +1715,16 @@ int main(int argc, char *argv[])
         if (!overwrite)
         {
             runTime++;
+            mesh.setInstance(runTime.timeName());
+        }
+        else
+        {
+            mesh.setInstance(oldInstance);
         }
 
         Info<< "Writing cellZones as new mesh to time " << runTime.timeName()
             << nl << endl;
 
-        mesh.setInstance(runTime.timeName());
         mesh.write();
 
 
@@ -1800,7 +1807,8 @@ int main(int argc, char *argv[])
                 cellRegion,
                 regionNames,
                 interfaceToPatch,
-                regionI
+                regionI,
+                (overwrite ? oldInstance : runTime.timeName())
             );
         }
         else if (largestOnly)
@@ -1817,7 +1825,8 @@ int main(int argc, char *argv[])
                 cellRegion,
                 regionNames,
                 interfaceToPatch,
-                regionI
+                regionI,
+                (overwrite ? oldInstance : runTime.timeName())
             );
         }
         else
@@ -1835,7 +1844,8 @@ int main(int argc, char *argv[])
                     cellRegion,
                     regionNames,
                     interfaceToPatch,
-                    regionI
+                    regionI,
+                    (overwrite ? oldInstance : runTime.timeName())
                 );
             }
         }
diff --git a/applications/utilities/mesh/manipulation/stitchMesh/stitchMesh.C b/applications/utilities/mesh/manipulation/stitchMesh/stitchMesh.C
index 4773654752..1131c591c7 100644
--- a/applications/utilities/mesh/manipulation/stitchMesh/stitchMesh.C
+++ b/applications/utilities/mesh/manipulation/stitchMesh/stitchMesh.C
@@ -137,6 +137,7 @@ int main(int argc, char *argv[])
 #   include "createTime.H"
     runTime.functionObjects().off();
 #   include "createMesh.H"
+    const word oldInstance = mesh.pointsInstance();
 
 
     word masterPatchName(args.additionalArgs()[0]);
@@ -391,6 +392,10 @@ int main(int argc, char *argv[])
     mesh.movePoints(morphMap->preMotionPoints());
 
     // Write mesh
+    if (overwrite)
+    {
+        mesh.setInstance(oldInstance);
+    }
     Info << nl << "Writing polyMesh to time " << runTime.timeName() << endl;
 
     IOstream::defaultPrecision(10);
diff --git a/applications/utilities/mesh/manipulation/subsetMesh/subsetMesh.C b/applications/utilities/mesh/manipulation/subsetMesh/subsetMesh.C
index 13aa25c06d..56b48a2dd2 100644
--- a/applications/utilities/mesh/manipulation/subsetMesh/subsetMesh.C
+++ b/applications/utilities/mesh/manipulation/subsetMesh/subsetMesh.C
@@ -159,6 +159,7 @@ int main(int argc, char *argv[])
 #   include "createTime.H"
     runTime.functionObjects().off();
 #   include "createMesh.H"
+    const word oldInstance = mesh.pointsInstance();
 
     word setName(args.additionalArgs()[0]);
     bool overwrite = args.options().found("overwrite");
@@ -331,8 +332,12 @@ int main(int argc, char *argv[])
     {
         runTime++;
     }
+    else
+    {
+        mesh.setInstance(oldInstance);
+    }
 
-    Info<< "Writing subsetted mesh and fields to time " << runTime.value()
+    Info<< "Writing subsetted mesh and fields to time " << runTime.timeName()
         << endl;
     subsetter.subMesh().write();