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Re: cygwin: CR CR LF problem still there (was: Re: A dumb CR/LF question)
- 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
- Date: Tue, 15 Jan 2002 14:32:44 -0500
- Subject: Re: cygwin: CR CR LF problem still there (was: Re: A dumb CR/LF question)
- References: <01f901c19dfa$87113040$2102a8c0@DVI.ELCOM>
- Reply-to: cygwin at cygwin dot com
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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@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
>> 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
>Sorry to disturb you, I'm not quite sure what's worse, whether to contact
>you directly or subscribe to email@example.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
>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.
>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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