Re: Starting pd from command line and suppress jack connections

Hi Worik,

just a very quick answer: Did you see the -nojackconnect flag for Pd
(in my case its Pd 0.55.2 on Debian stable/backports)?

* Worik via Pd-list <[email protected]> [2025-08-27 09:44]:
> Friends
> 
> I am using version 0.53.1 in this case (from Debian-12 archives) so apologies in advance if my problem is not apparent in more recent versions
> 
> I am using pd to implement guitar effects (https://github.com/worikgh/120Pedal.git)
> 
> To that end I want to start a pd process in the background and headless. I manage Jack audio pipes programmatically  (it is how I switch between pedals in real time) and I do not connect directly to system:playback_1 as I have a volume control between my effects and playback
> 
> To this end I wish to start a pd process that creates jack I/O for itself but does not connect them to the system input and outputs
> 
> For example I run: `pd -path ./my_pd_library/ -nogui -jack -jackname pipename_mono -rt -send "; pd dsp 1" -channels 1 ./pd/myeffect~.pd`
> 
> This works very well, except for creating the connections "system:capture_1 -> pipename_mono:inut1" and "pipename_mono:output_1 -> system:playback_1"
> 
> I can use "jack_disconnect" after I start pd, but that is a bit tacky.
> 
> I studied the output of pd --help​ and I can see no suitable switch.
> 
> Can somebody please point me in the correct direction for solving this?
> 
> Worik

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