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List:       busybox
Subject:    Re: [BusyBox] ash and grep with busybox 1.00
From:       Rob Landley <rob () landley ! net>
Date:       2005-02-22 7:05:41
Message-ID: 200502220205.48805.rob () landley ! net
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On Monday 21 February 2005 11:07 am, Peter Kjellerstedt wrote:

> > It's pretty unpredictable :) I could use sed to return me
> > only one line, but I does fit to my needs.
>
> The reason you sometimes get 1 and sometimes 2, is probably
> due to whether grep has triggered on itself in the list of
> processes or not.

The way I've always worked around this is to split it into two commands:

TMPVAL=`ps ax`
echo "$TMPVAL" | grep rutabega

It's not a busybox problem, it's a standard race condition instantiating 
multiple processes in a pipeline while checking the process list...

Rob
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