xlsatoms -version (return code: 0)
xlsatoms 1.1.2
xlsatoms --help (return code: 1)
xlsatoms: unrecognized argument --help
usage: xlsatoms [-options...]
where options include:
-display dpy X server to which to connect
-format string printf-style format to use
-range [num]-[num] atom values to list
-name string name of single atom to print
-version print program version