-# Submit a command to the MPD server; each argument to this function
-# is quoted and sent as a single argument to MPD.
-sub mpd_exec {
- my $cmd = join(' ', map { MPD::escape } @_);
-
- print $sock "$cmd\n";
-}
-
-# Returns a hash reference containing all tracks in the current play queue.
-# The hash keys are filenames.
+# Returns a hash reference mapping filenames to an array reference listing
+# the queue IDs for that file in the current play queue.