[LAU] Toggle Jack Transport CLI

[Yassin Philip]

Hi lista :)

Using an i3 <https://i3wm.org/docs/userguide.html#exec> shortcut, I can 
control my jack transport from everywhere, even when no jack application 
has focus :

bindsym $mod+p exec echo play | jack_transport
bindsym $mod+Shift+p exec echo stop | jack_transport

Thanks to FalkTX for the pipe trick BTW, I saw that on linuxmusicians ; 
This is very cool if you have some sort of wireless keyboard, but as you 
can see it's two different keystrokes, how do I make it so <command> 
toggles play/pause? Alternatively, how do I know when jack transport is 
rolling, so I can hack my way into making my own toggle script? I did my 
homework and read the inline --help of all the available jack commands 
on my machine :

⚡ jack_
jack_alias                  jack_freewheel jack_monitor_client         
jack_simple_client
jack_bufsize                jack_iodelay jack_multiple_metro         
jack_simple_session_client
jack_capture                jack_latent_client 
jack_net_master             jack_test
jack_capture_gui            jack_load jack_net_slave              jack_thru
jack_connect                jack_lsp jack_netsource              
jack_transport
jack_control                jack_metro jack_rec                    
jack_unload
jack_cpu                    jack_midi_dump jack_samplerate             
jack_wait
jack_cpu_load               jack_midi_latency_test 
jack_server_control         jack_zombie
jack_disconnect             jack_midiseq jack_session_notify
jack_evmon                  jack_midisine jack_showtime

But found no way to detect the transport status ; Is there a way to know 
it?


yPhil

-- 
Yassin Philip - New album out NOW
http://yassinphilip.bitbucket.org

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