ENH: add usage information for '-overwrite' option.

- make centrally available via #include "addOverwriteOption.H"

applications/utilities/mesh/generation/extrude2DMesh/Make/files

@@ -1,4 +1,4 @@
 extrude2DMesh.C
-doExtrude2DMesh.C
+extrude2DMeshApp.C
 
 EXE = $(FOAM_APPBIN)/extrude2DMesh

applications/utilities/mesh/generation/extrude2DMesh/extrude2DMeshApp.C

@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 1991-2009 OpenCFD Ltd.
+    \\  /    A nd           | Copyright (C) 1991-2010 OpenCFD Ltd.
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -38,7 +38,6 @@ Usage
 
 Note
     Not sure about the walking of the faces to create the front and back faces.
-    Tested on one .ccm file.
 
 \*---------------------------------------------------------------------------*/
 
@@ -57,8 +56,9 @@ using namespace Foam;
 
 int main(int argc, char *argv[])
 {
+#   include "addOverwriteOption.H"
     argList::validArgs.append("thickness");
-    argList::addBoolOption("overwrite");
+
 #   include "setRootCase.H"
 #   include "createTime.H"
     runTime.functionObjects().off();
@@ -66,7 +66,7 @@ int main(int argc, char *argv[])
     const word oldInstance = mesh.pointsInstance();
 
     scalar thickness(readScalar(IStringStream(args.additionalArgs()[0])()));
-    bool overwrite = args.optionFound("overwrite");
+    const bool overwrite = args.optionFound("overwrite");
 
 
     // Check that mesh is 2D

applications/utilities/mesh/generation/snappyHexMesh/snappyHexMesh.C

@@ -120,11 +120,8 @@ void writeMesh
 
 int main(int argc, char *argv[])
 {
-    argList::addBoolOption
-    (
-        "overwrite",
-        "overwrite existing mesh files"
-    );
+#   include "addOverwriteOption.H"
+
 #   include "setRootCase.H"
 #   include "createTime.H"
     runTime.functionObjects().off();