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Re: Bug#454690: "grep -v" alway returns 0

From: Wacek Kusnierczyk
Subject: Re: Bug#454690: "grep -v" alway returns 0
Date: Sun, 29 Mar 2009 22:01:35 +0200
User-agent: Thunderbird (X11/20090318)

Eduard Bloch wrote:
> #include <hallo.h>
> * Wacek Kusnierczyk [Sun, Mar 29 2009, 06:51:43PM]:
>> maybe i can help a little.
> Yeah, nice lesson Mr. Teacher, 

how kind...

> but I did not ask for help. It's
> obviosuly working correctly (if you follow the book manpage) but the
> result is not very practical.
> Simple use case:
> if do | some | thing | grep -v patternOfSuspiciousStuff > clean_file ; then
>    ...
> I want to receive filtered output _and_ receive a return code which
> tells me whether anything has been filtered in the pipe or not. 

if you learn to ask for help, you're more likely to get a nice solution.


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