csvmidi(1) on Linux
The text df7cef438c28, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch) shipped it. The page shows this text now.
encode CSV file as MIDI
Flags it lists
-
-u -
-v -
-x -
-z