linefind -V (return code: 1)
linefind: unrecognized option '--version'
linefind --help (return code: 0)
linefind: find vertical lines in images
linefind version 2017.0.0.eac5e8cc546e
Usage: linefind [options] input.pto
Options:
-o, --output=file.pto Output Hugin PTO file. Default: <filename>_lines.pto
-i, --image=IMGNR Work only on given image numbers
-l, --lines=COUNT Save maximal COUNT lines (default: 5)
-h, --help Shows this help