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I noticed that, thanks. I also try with !=, but since I would trigger script very fast, even before previous script finish kill process, then somehow previous triggered script can kill next triggered...

I run my script "switch.sh" repeatedly (within 30 seconds). Each time script is triggered, script itself should kill all previous process.

Here is my code:
for pid in $(ps -fe | grep 'switch.sh'...

Thanks for your ideas. It finally works. Here is my script:

switch_hdmi.sh:
#!/bin/bash
echo $(date) ": executing switch hdmi... $1 with pid: $$" >> /home/pi/temp_rc

time_delay=5

# create...

I dont want to kill the whole script, because this would stop the timer and not restart it.

I assume I should kill only subproces "ALRM" (or whatever that means) to exit while loop and restart...

Thanks!

I put code to my script but I can not kill subprocess ALRM, so I have the same problem: timer doesn't restart back to 10s on condition "rc1_restart".

Here is my code:
#!/bin/bash
...

Hi,

I have first script which on IR remote command event execute the second script. If the second script is executed, it display echo "timeout expired" after 10s. This works as expected.
But I...