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List: python-list
Subject: Re: Terminate a python script from linux shell / bash script
From: Nigel Rantor <wiggly () wiggly ! org>
Date: 2008-07-31 11:21:55
Message-ID: 4891A053.1080003 () wiggly ! org
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Gros Bedo wrote:
> Thank you guys for your help. My problem is that I project to use this command to \
> terminate a script when uninstalling the software, so I can't store the PID. This \
> command will be integrated in the spec file of the RPM package. Here's the script \
> I'll use, it may help someone else:
> #!/bin/sh
> # PYTHON SCRIPT PROCESS KILLER by GBO v0.1
> # This script will look for all the lines containing $SOFTWARENAME in the process \
> list, and close them
> SOFTWARENAME='yoursoftware' #This is case insensitive
> JOBPRESENT=$(ps -ef | grep -i $SOFTWARENAME | grep -v grep)
> echo $JOBPRESENT
> ps -ef | grep -i $SOFTWARENAME | grep -v grep | awk '{print $2}' | xargs kill
If you have a long running process you wish to be able to kill at a
later date the normal way of doing it would be for the script itself to
write it's own PID to a file that you can then inspect from a different
process and use to kill it.
So, my_daemon.py might shove its PID into /var/run/my_daemon.pid
And later my_daemon_killer.py (or indeed my_daemon_killer.sh) would read
the PID out of /var/run/my_daemon.pid and pass that to a kill command.
Using ps/grep in the way you're trying to do is always going to be
inexact and people will not thank you for killing processes they wanted
running.
n
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