Reverted to using additional variable.
For example, within the user ~/.OpenFOAM/<VER>/prefs.sh: foamPrefs=`$WM_PROJECT_DIR/bin/foamEtcFile -m go prefs.sh` \ && _foamSource $foamPrefs could be used to write a personal adjustment that also includes the site-wide prefs.
- Also adjusted formatting of usage to match what argList generates
- Locate user/site/shipped file with the semantics used in the ~OpenFOAM/fileName expansion