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Problem: gpio-buttons.py: subprocess.call(...) not working - workaroud found
#2
There is a NOTE under the save button on the GPIO Config screen.
NOTE: Use a comma to delimit arguments in the CMD field. Example: mpc,load,My Playlist

Your entry should be mpc,vol,+5 but it could be improved by doing below which would also update the UI volume knob.

/var/www/vol.sh,up,5
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RE: gpio-buttons.py: subprocess.call(...) not working - workaroud found - by Tim Curtis - 05-01-2020, 12:47 PM

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