midicopy(1) on Linux
The text f5802f0c12dd, as Debian 12 (Bookworm), Debian 11 (Bullseye) shipped it.
Copy selected track, channel, time interval of a MIDI file to another MIDI file
Flags it lists
-
-attenuation -
-chns -
-focusonchannel -
-focusontrack -
-from -
-frombeat -
-fromsec -
-indrums -
-mutenodrum -
-nobends -
-nodrums -
-onlydrums -
-replace -
-speed -
-to -
-tobeat -
-tosec -
-ver -
-xdrums