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Date: Tue, 15 Jan 2002 14:32:44 -0500
From: Christopher Faylor <cygwin AT cygwin DOT com>
To: Radek Tomis <Radomir DOT Tomis AT dvi DOT elcom DOT cz>
Cc: cygwin AT cygwin DOT com
Subject: Re: cygwin: CR CR LF problem still there (was: Re: A dumb CR/LF question)
Message-ID: <20020115193244.GA22115@redhat.com>
Reply-To: cygwin AT cygwin DOT com
Mail-Followup-To: Radek Tomis <Radomir DOT Tomis AT dvi DOT elcom DOT cz>,
	cygwin AT cygwin DOT com
References: <01f901c19dfa$87113040$2102a8c0 AT DVI DOT ELCOM>
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On Tue, Jan 15, 2002 at 08:26:25PM +0100, Radek Tomis wrote:
>> To: Cygwin <cygwin at sources dot redhat dot com>
>> Subject: Re: A dumb CR/LF question
>> From: Chris Faylor <cgf at cygnus dot com>
>> Date: Sat, 7 Oct 2000 14:16:22 -0400
>> References: <026101c03077$5a86a970$0600000a AT tired>
>>
>> On Sat, Oct 07, 2000 at 09:57:54AM -0600, Dan Haynes wrote:
>> >I'm using 1.1.4 now, just upgraded from B20.1 which I've been using for
>> >a good long while.  I did a fresh install from the net about a week
>> >ago, using all defaults.  Now I do a:
>> >
>> >cat ./build/f1 ./build/f2 | sort >/tmp/f3
>> >
>> >Passing the output through some utiltities like 'sort' causes line
>> >endings to be expanded to CR CR LF (two carriage returns and a line
>> >feed)
>>
>> Thanks for the report.  It wasn't a dumb question at all.  I don't think
>> that you are the first to report this, but it finally sunk into my
>> feeble brain that there may be a problem here.
>>
>> I took some time to investigate this, and there is actually a problem in
>> the rewritten \r\n text handling code in cygwin.  It looks like the
>> problem has existed since 1.1.1.  The symptom is that when cygwin wrote
>> out a buffer, it would add a \r in front of any \n regardless of whether
>> the '\n' was already preceded by a \r or not.
>>
>> I've fixed this, so it will be in the next snapshot.  Please give it a
>> try. I'd like to nail this down for 1.1.5.
>>
>> Thanks for the bug report with a simple example that I could easily
>> duplicate.
>>
>> cgf
>
>Hello,
>
>Sorry to disturb you, I'm not quite sure what's worse, whether to contact
>you directly or subscribe to cygwin AT sources DOT redhat DOT com and report this bug
>that you've already fixed year ago. If I'm knocking at the wrong doors,
>please let me know.
>
>Anyway, the CR CR LF problem is present in Cygwin 1.3.5 (Nov 13 2001):
>
>echo hello > a.txt
>cat a.txt a.txt | sort > b.txt
>od -c b.txt
>
>0000000   h   e   l   l   o  \r  \r  \n   h   e   l   l   o  \r  \r  \n
>
>
>Do you happen to know why the bug is back ?
>Or maybe your snapshot fix didn't make it to the release version
>eventually ?
>
>I can use the tr -s '\r' as workaround, but it'd be much better to have
>working cygwin rather than keeping in mind this annoying bug.
>
>
>Excerpt from 'cygcheck':
>
>    Cygwin DLL version info:
>        DLL version: 1.3.5
>        DLL epoch: 19
>        DLL bad signal mask: 19005
>        DLL old termios: 5
>        DLL malloc env: 28
>        API major: 0
>        API minor: 47
>        Shared data: 3
>        DLL identifier: cygwin1
>        Mount registry: 2
>        Cygnus registry name: Cygnus Solutions
>        Cygwin registry name: Cygwin
>        Program options name: Program Options
>        Cygwin mount registry name: mounts v2
>        Cygdrive flags: cygdrive flags
>        Cygdrive prefix: cygdrive prefix
>        Cygdrive default prefix:
>        Build date: Tue Nov 13 23:16:25 EST 2001
>        CVS tag: cygwin-1-3-5-2
>        Shared id: cygwin1S3
>
>
>Thank you for your time.
>
>--
>Radek Tomis
>Radomir DOT Tomis AT dvi DOT elcom DOT cz
>Help stop world hunger -- visit <http://www.thehungersite.org>
>Is The Hunger Site real? <http://www.umich.edu/~virus-busters/hunger.html>

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