exifgrep -V (return code: 1)
Usage: exifgrep [-var|-export] [-num] [-r] [-t] [-n] [-c] [egrep-options] egrep-pattern [NOT egrep-pattern] imagefilename[s]
exifgrep --help (return code: 1)
Usage: exifgrep [-var|-export] [-num] [-r] [-t] [-n] [-c] [egrep-options] egrep-pattern [NOT egrep-pattern] imagefilename[s]