dumpiso -V (return code: 1)
dumpiso: unrecognized option '--version'
Usage: dumpiso [opts] [FILE]
Dump IEEE 1394 isochronous channels to FILE or standard output.
-c --channels CHANNELS Listen on these channels; CHANNELS is either a
number X or a range X-Y.
-p --port PORT Choose 1394 chip PORT. (default: 0)
-h --help Show this help.
dumpiso --help (return code: 0)
Usage: dumpiso [opts] [FILE]
Dump IEEE 1394 isochronous channels to FILE or standard output.
-c --channels CHANNELS Listen on these channels; CHANNELS is either a
number X or a range X-Y.
-p --port PORT Choose 1394 chip PORT. (default: 0)
-h --help Show this help.