[PD] Manage JACK connections from Pd

[João Pais]

many years ago I did jmmmp/ardourjack-gui-help. not sure if it does what 
you wanted, or if it still works (I haven't worked in linux for a long time)

Am 26.03.2021 um 18:42 schrieb Allister Sinclair:
> > Passing such a symbol to jack_connect through [shell] ends with:
> >
> >   ERROR ardour:send\ 1/audio_out\ 1 not a valid port
>
> But [shell] doesn't need symbols, you can pass a plain message to it 
> such as [ardour:send 7/audio_in 1( without escaping spaces, with 
> perhaps a [list trim]
> Does that not work ?
>
>
> Le ven. 26 mars 2021 à 16:06, Roman Haefeli <reduzent at gmail.com 
> <mailto:reduzent at gmail.com>> a écrit :
>
>     On Fri, 2021-03-26 at 16:00 +0100, Roman Haefeli wrote:
>     > On Fri, 2021-03-12 at 19:20 +0100, Allister Sinclair wrote:
>     > > I don't know if an external exists for that but you could use
>     > > command
>     > > lines from pd.
>     > > (On linux I would use jack_connect and jack_disconnect commands
>     > > through the [ggee/shell] object.
>     >
>     > Now, that [ggee/shell] reports the proper exit code, this seemed a
>     > feasible approach. Not for long, though. There is no way around Pd
>     > prepending each symbol with a backslash. So, it is impossible to
>     > address a port like:
>     >
>     >   "ardour:send 7/audio_in 1"
>     >
>     > Passing such a symbol to jack_connect through [shell] ends with:
>     >
>     >   ERROR ardour:send\ 1/audio_out\ 1 not a valid port
>     >
>     > I remember a discussion going on github (can't find it right now)
>     > about
>     > whether the escaping with \ is an implementation detail that
>     > shouldn't
>     > be exposed to the user or the world outside of Pd. Now, I wonder
>     > whether it is [shell] not dealing properly with escaped
>     characters in
>     > symbols, or whether the culprit is actually in Pd here.
>     >
>     > I'm not quite sure how to go on about this.
>
>
>     Ironically, when I want to execute the command from a real terminal, I
>     need to escape the port names with \:
>
>       jack_connect pure_data:output_1 ardour:A-0/audio_input\ 1
>
>     Roman
>
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> -- 
> Allister Sinclair

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