Add region option for all finiteArea utilities

applications/utilities/finiteArea/checkFaMesh/checkFaMesh.C

@@ -37,9 +37,11 @@ using namespace Foam;
 
 int main(int argc, char *argv[])
 {
+#   include "addRegionOption.H"
+
 #   include "setRootCase.H"
 #   include "createTime.H"
-#   include "createMesh.H"
+#   include "createNamedMesh.H"
 #   include "createFaMesh.H"
 
     Info<< "Time = " << runTime.timeName() << nl << endl;

applications/utilities/finiteArea/createFaMeshFromStl/createFaMeshFromStl.C

@@ -50,6 +50,8 @@ using namespace Foam;
 
 int main(int argc, char *argv[])
 {
+#   include "addRegionOption.H"
+
     argList::validArgs.append("STL mesh file");
 
     argList args(argc, argv);

applications/utilities/finiteArea/createFaMeshFromStl/makePolyMesh.H

@@ -23,11 +23,18 @@
         faceRegion[faceI] = patch[faceI].region();
     }
 
+    word polyRegionName;
+
+    if (!args.optionReadIfPresent("region", polyRegionName))
+    {
+        polyRegionName = polyMesh::defaultRegion;
+    }
+
     polyMesh mesh
     (
         IOobject
         (
-            polyMesh::defaultRegion,
+            polyRegionName,
             runTime.constant(),
             runTime
         ),

applications/utilities/finiteArea/makeFaMesh/makeFaMesh.C

@@ -63,9 +63,11 @@ public:
 
 int main(int argc, char *argv[])
 {
+#   include "addRegionOption.H"
+
 #   include "setRootCase.H"
 #   include "createTime.H"
-#   include "createMesh.H"
+#   include "createNamedMesh.H"
 
     // Reading faMeshDefinition dictionary
     IOdictionary faMeshDefinition