jack_metro(1) on Linux
The text 1bec1bc3af4f, as Debian 6.0 (Squeeze) shipped it.
JACK toolkit metronome
Flags it lists
-
--attack -
--b -
--bpm -
--decay -
--duration -
--frequency -
--name -
-D -
-a -
-d -
-f -
-n