On 08/25/2015 10:53 PM, Csaba Láng wrote: > Dear list, > is there a way to avoid that a patch which is run from a script either from > crontab or just autorun from the system runs twice? > I heard about --no-gui solution, but never managed to use it on Mac.
i don't know how "--no-gui" is supposed to help you here. it only might obfuscate the fact that two instances are running... i can think of two simple ways to avoid double runs: - setup a shared-ressource (a lock-file): when the script starts it checks for the lock-file; if it is not there, it will create the lock, launch Pd; once Pd is finished it will remove the lock; if the lock *is* there, the script will exit immediately. see flock(1) on linux and shlock(1) on osx. - stop all running instances of the patch before starting it. usually you would just do something along the lines of `pkill -KILL pd`, before starting a new instance of Pd. fmasdr IOhannes
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