getting a process's PID
Sebastian 'lunar' Wiesner
basti.wiesner at gmx.net
Wed Dec 27 14:41:11 EST 2006
eldorado <eldorado at io.com> typed
> Hello,
>
> I am trying to get python to give me the PID of a process (in this
> case
> HUB). I have it working, except for the fact that the output includes
> \012 (newline). Is there a way to ask python not to give me a
> newline?
>
> Python 1.4 (Oct 14 1997) [C]
> Copyright 1991-1995 Stichting Mathematisch Centrum, Amsterdam
>>>> import os
>>>> g = os.popen("ps -ef | grep HUB | grep -v grep | awk '{ print $2
>>>> }'") h = g.readlines()
>>>> g.close()
>>>> h
> ['87334\012']
>
> Thanks in advanced for any guidance.
Well, you could do everything in python itself, without using grep and
awk at all:
>>>> g = os.popen("ps -e -o pid,command")
>>>> for line in g.readlines():
>>>> if 'HUB' in line:
>>>> pid = line.strip().split(' ')[0]
>>>> break
>>>> print pid
--
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