>> Is there another way to make connections with
jack using the command line?
>>
One option is to write a little script using jack_connect and
jack_disconnect for Jack connections (jack_lsp lists avaliable ports)
and aconnect for Alsa MIDI
Probably easier than writing scripts: jack_snapshot from the 'Affenbande'.
http://tapas.affenbande.org/wordpress/?page_id=14
I've never tried it myself though.
best,
d