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Date: Tue, 27 Jun 2006 14:26:33 -0600 (MDT)
From: David Mastronarde <mast AT colorado DOT edu>
To: Dave Kilroy <kilroyd AT googlemail DOT com>
cc: cygwin AT cygwin DOT com
Subject: Re: sed 4.1.5 adds extra CR with input file path in Windows format
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On Tue, 27 Jun 2006, Dave Kilroy wrote:

> On 6/27/06, David Mastronarde wrote:
>> On Sun, 25 Jun 2006, Dave wrote:
>> > David Mastronarde wrote:
>> >> After upgrading sed from 4.1.4 to 4.1.5, I found that line endings were
>> >> being converted from CRLF to CRCRLF when the input file was specified
>> >> with a windows file path:
>> >>
>> >> % sed -e 's/g5a/setname/g' < 'c:\cygwin\home\mast/sedtestin' > ! 
>> sedtestout
>> >>
>> >> Converting the path to cygwin format eliminated the problem.
>> >
>> > Have a read of http://cygwin.com/cygwin-ug-net/using-textbinary.html
>> >
>> > Try specifying the output file in MSDOS format, '.\sedtestout'.
>> 
>> I don't see the distinction between the redirection and the writing, and
>> also setting CYGWIN to nobinmode has no effect, so rule c does not seem to
>> be relevant.
>
> If you set CYGWIN=nobinmode, I believe you will get newline
> conversions done across pipes. In your example, you are only using
> redirections. I would advise that you don't set it.
>
>> But also, specifying output as '.\sedtestout' did NOT solve the problem,
>> even with nobinmode in effect.  So rule b is governing the input but is
>> not being applied on output.
>
> Works for me - see attached session output.
>

You are right.  I neglected to quote the .\sedtestout when I tried it.

So it all makes sense in terms of it following the rules.  But I am 
curious as to the reason for rule b.  Most things in Cygwin seem to deal 
interchangeably with windows and cygwin paths.

David


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