STYLE: unify cd, check for the cwd and error message

Allwmake

 #!/bin/sh
-cd ${0%/*} || exit 1    # Run from this directory
-
-# Parse arguments for library compilation
-. $WM_PROJECT_DIR/wmake/scripts/AllwmakeParseArguments
-
-wmakeCheckPwd "$WM_PROJECT_DIR" || {
-    echo "Allwmake error: Current directory is not \$WM_PROJECT_DIR"
-    echo "    The environment variables are inconsistent with the installation."
-    echo "    Check the OpenFOAM entries in your dot-files and source them."
+# Run from OPENFOAM top-level directory only
+cd ${0%/*} && wmakeCheckPwd "$WM_PROJECT_DIR" 2>/dev/null || {
+    echo "Error (${0##*/}) : not located in \$WM_PROJECT_DIR"
+    echo "    Check your OpenFOAM environment and installation"
     exit 1
 }
-
 [ -n "$FOAM_EXT_LIBBIN" ] || {
-    echo "Allwmake error: FOAM_EXT_LIBBIN not set"
-    echo "    Check the OpenFOAM entries in your dot-files and source them."
+    echo "Error (${0##*/}) : FOAM_EXT_LIBBIN not set"
+    echo "    Check your OpenFOAM environment and installation"
     exit 1
 }
 
+# Parse arguments for library compilation
+. $WM_PROJECT_DIR/wmake/scripts/AllwmakeParseArguments
+
+#------------------------------------------------------------------------------
+
 # Compile wmake support applications
 (cd wmake/src && make)
 

applications/Allwmake

 #!/bin/sh
-cd ${0%/*} || exit 1    # Run from this directory
-
-# Parse arguments for library compilation
-. $WM_PROJECT_DIR/wmake/scripts/AllwmakeParseArguments
-
-wmakeCheckPwd "$WM_PROJECT_DIR/applications" || {
-    echo "Allwmake error: Current directory is not \$WM_PROJECT_DIR/applications"
-    echo "    The environment variables are inconsistent with the installation."
-    echo "    Check the OpenFOAM entries in your dot-files and source them."
+# Run from OPENFOAM applications/ directory only
+cd ${0%/*} && wmakeCheckPwd "$WM_PROJECT_DIR/applications" 2>/dev/null || {
+    echo "Error (${0##*/}) : not located in \$WM_PROJECT_DIR/applications"
+    echo "    Check your OpenFOAM environment and installation"
     exit 1
 }
-
 [ -n "$FOAM_EXT_LIBBIN" ] || {
-    echo "Allwmake error: FOAM_EXT_LIBBIN not set"
-    echo "    Check the OpenFOAM entries in your dot-files and source them."
+    echo "Error (${0##*/}) : FOAM_EXT_LIBBIN not set"
+    echo "    Check your OpenFOAM environment and installation"
     exit 1
 }
 
+# Parse arguments for library compilation
+. $WM_PROJECT_DIR/wmake/scripts/AllwmakeParseArguments
+
+#------------------------------------------------------------------------------
+
 wmake -all $targetType solvers
 wmake -all $targetType utilities
 

doc/Doxygen/Allwmake

 #!/bin/sh
 cd ${0%/*} || exit 1    # Run from this directory
-
 [ -d "$WM_PROJECT_DIR" ] || {
-    echo "    Error: WM_PROJECT_DIR directory does not exist"
-    echo "        Check the OpenFOAM entries in your dot-files and source them."
-    echo "        WM_PROJECT_DIR=$WM_PROJECT_DIR"
+    echo "Error (${0##*/}) : no \$WM_PROJECT_DIR found"
+    echo "    Check your OpenFOAM environment and installation"
+    echo "    WM_PROJECT_DIR=$WM_PROJECT_DIR"
     exit 1
 }
 

src/Allwmake

 #!/bin/sh
-cd ${0%/*} || exit 1    # Run from this directory
-
-# Parse arguments for library compilation
-. $WM_PROJECT_DIR/wmake/scripts/AllwmakeParseArguments
-
-wmakeCheckPwd "$WM_PROJECT_DIR/src" || {
-    echo "Allwmake error: Current directory is not \$WM_PROJECT_DIR/src"
-    echo "    The environment variables are inconsistent with the installation."
-    echo "    Check the OpenFOAM entries in your dot-files and source them."
+# Run from OPENFOAM src/ directory only
+cd ${0%/*} && wmakeCheckPwd "$WM_PROJECT_DIR/src" 2>/dev/null || {
+    echo "Error (${0##*/}) : not located in \$WM_PROJECT_DIR/src"
+    echo "    Check your OpenFOAM environment and installation"
     exit 1
 }
-
 [ -n "$FOAM_EXT_LIBBIN" ] || {
-    echo "Allwmake error: FOAM_EXT_LIBBIN not set"
-    echo "    Check the OpenFOAM entries in your dot-files and source them."
+    echo "Error (${0##*/}) : FOAM_EXT_LIBBIN not set"
+    echo "    Check your OpenFOAM environment and installation"
     exit 1
 }
 
+# Parse arguments for library compilation
+. $WM_PROJECT_DIR/wmake/scripts/AllwmakeParseArguments
+
+#------------------------------------------------------------------------------
+
 # Update OpenFOAM version strings if required
 wmakePrintBuild -check || wrmo OpenFOAM/global/global.o 2>/dev/null