X-Recipient:	archive-cygwin AT delorie DOT com
X-SWARE-Spam-Status:	No, hits=-2.5 required=5.0 tests=AWL,BAYES_00
X-Spam-Check-By:	sourceware.org
Message-ID:	<49AE88A8.4030305@lysator.liu.se>
Date:	Wed, 04 Mar 2009 14:56:56 +0100
From:	Peter Rosin <peda AT lysator DOT liu DOT se>
User-Agent:	Thunderbird 2.0.0.19 (Windows/20081209)
MIME-Version:	1.0
To:	cygwin AT cygwin DOT com
Subject:	Re: grep -P regexp problem
References:	<BAY127-DS374577AD66B9A49AF63E9A6A60 AT phx DOT gbl>
In-Reply-To:	<BAY127-DS374577AD66B9A49AF63E9A6A60@phx.gbl>
Mailing-List:	contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Id:	<cygwin.cygwin.com>
List-Subscribe:	<mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive:	<http://sourceware.org/ml/cygwin/>
List-Post:	<mailto:cygwin AT cygwin DOT com>
List-Help:	<mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender:	cygwin-owner AT cygwin DOT com
Mail-Followup-To:	cygwin AT cygwin DOT com
Delivered-To:	mailing list cygwin AT cygwin DOT com

Den 2009-03-03 19:26 skrev Andriy Sen:
> 
> Below is an example of the problem.
> 
> G:\>grep -V
> GNU grep 2.5.3
> 
> Copyright (C) 1988, 1992-2002, 2004, 2005  Free Software Foundation, Inc.
> This is free software; see the source for copying conditions.  There is NO
> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
> 
> 
> G:\>cat test.s
> a
> 1
> 
> G:\>cat test.s | grep -P "[^0]1"
> a
> 1
> 
> G:\>

FYI, appears to not be cygwin specific...

$ uname -s -r
Linux 2.6.23-gentoo-r8
$ grep -V
grep (GNU grep) 2.5.1

Copyright 1988, 1992-1999, 2000, 2001 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

$ cat test.s
a
1
$ cat test.s | grep -P "[^0]1"
a
1
$ od -a test.s
0000000   a  nl   1  nl
0000004

Cheers,
Peter

--
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
Problem reports:       http://cygwin.com/problems.html
Documentation:         http://cygwin.com/docs.html
FAQ:                   http://cygwin.com/faq/

- Raw text -