fileName: Added cpFiles function

//- Copy all the files from the source to the target directory
void cpFiles(const fileName& srcDir, const fileName& targetDir);

src/OpenFOAM/global/fileOperations/fileOperation/fileOperation.H

@@ -50,13 +50,6 @@ class regIOobject;
 class objectRegistry;
 class Time;
 
-// Description of processor directory naming:
-//  - processor directory naming
-//  - whether directory contains a range (so differs on different processors)
-//  - index in range
-//typedef Tuple2<fileName, Tuple2<bool, label>> dirIndex;
-//typedef List<dirIndex> dirIndexList;
-
 /*---------------------------------------------------------------------------*\
                          Class fileOperation Declaration
 \*---------------------------------------------------------------------------*/
@@ -83,9 +76,16 @@ public:
             PROCBASEINSTANCE,       // as PROCBASEOBJECT but with instance
             PROCINSTANCE            // as PROCOBJECT but with instance
         };
+
         static const NamedEnum<pathType, 12> pathTypeNames_;
 
+        //- Description of processor directory naming:
+        //  - processor directory naming
+        //  - whether directory contains a range
+        //    (so differs on different processors)
+        //  - index in range
         typedef Tuple2<fileName, Tuple2<pathType, label>> dirIndex;
+
         typedef List<dirIndex> dirIndexList;
 
 

src/OpenFOAM/primitives/strings/fileName/fileName.C

@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011-2017 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2018 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -426,4 +426,17 @@ Foam::fileName Foam::search(const word& file, const fileName& directory)
 }
 
 
+void Foam::cpFiles(const fileName& srcDir, const fileName& targetDir)
+{
+    mkDir(targetDir);
+
+    const fileNameList srcFiles(readDir(srcDir, fileName::FILE, true));
+
+    forAll(srcFiles, filei)
+    {
+        cp(srcDir/srcFiles[filei], targetDir);
+    }
+}
+
+
 // ************************************************************************* //

src/OpenFOAM/primitives/strings/fileName/fileName.H

@@ -242,12 +242,14 @@ public:
 //- Assemble words and fileNames as pathnames by adding a '/' separator
 fileName operator/(const string&, const string&);
 
-
 //- Recursively search the given directory for the file
 //  returning the path relative to the directory or
 //  fileName::null if not found
 fileName search(const word& file, const fileName& directory);
 
+//- Copy all the files from the source to the target directory
+void cpFiles(const fileName& srcDir, const fileName& targetDir);
+
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //