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To: cygwin AT cygwin DOT com
Subject: Re: perl -i is very dangerous !
References: <3CD2B64F DOT 5090005 AT wanadoo DOT fr>
	<120108386090 DOT 20020503201623 AT nyckelpiga DOT de>
Organization: Private
From: pjacklam AT online DOT no (Peter J. Acklam)
Date: 06 May 2002 22:34:05 +0200
In-Reply-To: <120108386090.20020503201623@nyckelpiga.de>
Message-ID: <n0vd583m.fsf@online.no>
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"Gerrit P. Haase" <freeweb AT nyckelpiga DOT de> wrote:

> Marc schrieb:
> 
> > mc AT MILLENIUM:~/test/perldestroy# cat test.txt
> > this is
> > a test
> > for cygwin
> > mc AT MILLENIUM:~/test/perldestroy# perl -i -ne 's/this/works/' test.txt
> > Can't do inplace edit on test.txt: Permission denied.
> > mc AT MILLENIUM:~/test/perldestroy# ls
> > any idea ?
> 
> It is gone.
> 
> Use perl -i.bak instead.

Not to mention to use -p and *not* -n.  The -n option will not
write back to the file, so it will end up having size zero.

Peter

-- 
Where do bit streams end?  In bit rivers?


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