wmgenmenu --version (return code: 0)
wmgenmenu (Window Maker 0.95.8)
wmgenmenu --help (return code: 0)
Usage: wmgenmenu [-h] [-v]
Writes a menu structure usable as ~/GNUstep/Defaults/WMRootMenu to stdout
-h, --help display this help and exit
-v, --version output version information and exit