getting a process's PID

[eldorado]

On Wed, 27 Dec 2006, Erik Johnson wrote:

>
> "eldorado" <eldorado at io.com> wrote in message
> news:20061227113158.J21223 at eris.io.com...
>
>>>>> g = os.popen("ps -ef | grep HUB | grep -v grep | awk '{ print $2 }'")
>>>>> h = g.readlines()
>>>>> g.close()
>>>>> h
>> ['87334\012']
>>>>> h = h[:-1]
>>>>> h
>> []
>
> Oh, sorry... h is a list here because you are using readlines().
> I am used to doing this:
>
> fd = os.popen('ps -ef | grep python')
> s = fd.read()
>
> to get a single string. You can do something like
>
> s = h[0]
>
> and then operate on s, or you can use read() in place of readlines() to get
> h as a single string, or you can operate on the first element of h:
>
>>>> h = ['87334\012']
>>>> h[0][:-1]
> '87334'
>>>> h[0].rstrip('\n')
> '87334'
>
> All the error handling to do in the case where you actually have multiple
> processes being matched is up to you. ;)

Erik,
Thank you very much.  Works perfect. I am now off to work on the multiple 
process issue.


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