xmms2 --help (return code: 0)
usage: xmms2 [<command> [args]]
XMMS2 CLI, the awesome command-line XMMS2 client from the future, v0.8 DrO_o (git commit: Unknown).
If given a command, runs it inline and exit.
If not, enters a shell-like interface to execute commands.
Type 'help <command>' for detailed help about a command.