xcfinfo --version (return code: 0)
xcfinfo - Xcftools 1.0.7
xcfinfo --help (return code: 0)
Usage: xcfinfo [options] filename.xcf[.gz]
Options:
-h show this message (--help)
-V show version (--version)
-v show progress messages (--verbose)
-j input is bzip2 compressed (--bzip)
-z input is gzip compressed (--gzip)
-Z command use 'command' to decompress input (--unpack)
-u use UTF-8 for layer names (--utf8)