lilymidi --version (return code: 0)
2.18.2
lilymidi --help (return code: 0)
Usage: lilymidi [options] FILE
Options:
--version show program's version number and exit
-h, --help show this help message and exit
--filter-tracks=REGEXP
display only tracks numbers, of those track names
matching REGEXP
--prefix-tracks=PREFIX
prefix filtered track numbers with PREFIX
--dump just dump parsed contents of the MIDI file
--pretty dump parsed contents of the MIDI file in human-
readable form (implies --dump)