ENH: argList - onlycheck for decomposeParDict when checkProcessorDirectories_ is true

src/OpenFOAM/global/argList/argList.C

@@ -713,7 +713,7 @@ void Foam::argList::parse
                     dictNProcs = roots.size()+1;
                 }
             }
-            else
+            else if (checkProcessorDirectories_)
             {
                 // Use values from decomposeParDict, the location was already
                 // established above.