On Thu, 2016-12-01 at 11:09 +0100, Jack wrote: > Hello Roman, > > Did you try : > > [command & echo $!( > > > > > [shell] > > It will return the pid of 'command'.
Yes, you're right: It's not even necessary to put that into an extra script (I thought I had to because of the dollar sign). However, the problem remains: When I send 'command' to background, [shell] won't output its stdout to the left outlet anymore. Roman > Le 01/12/2016 à 10:52, Roman Haefeli a écrit : > > > > Hey all > > > > I would like to use Pd to start and stop several instances of a > > certain > > command. I need to catch the stdout of the commands in Pd, so I can > > monitor their status. Also, I want to be able to kill them > > individually. > > > > I tried to achieve that with [ggee/shell], but there are some > > culprits. > > > > When I launch the command directly in [shell] like this: > > > > [command ( > > > > > > > > [shell] > > > > I get the command's stdout on the left outlet of [shell], but I > > don't > > know of a reliable way to send a SIGHUP signal to command. > > > > On the other, I can launch a wrapper script that sends command to > > the > > background and returns its PID: > > > > #!/bin/sh > > command & > > echo $! > > > > and in Pd, I do: > > > > [./wrapper.sh ( > > > > > > > > [shell] > > > > and the left outlet of [shell] gives me the PID of the command > > which > > allows me to reliably kill that instance later. However, this way > > [shell] doesn't output the command's stdout. > > > > Is there a way to have my cake and eat it, too? > > > > Roman > > > > > > > > _______________________________________________ > > Pdfirstname.lastname@example.org mailing list > > UNSUBSCRIBE and account-management -> https://lists.puredata.info/l > > istinfo/pd-list > > > > _______________________________________________ > Pdemail@example.com mailing list > UNSUBSCRIBE and account-management -> https://lists.puredata.info/lis > tinfo/pd-list
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