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Subject:	Re: Problems opening pipes in binary mode
References:	<22716 DOT 14013 DOT 315000 DOT 162049 AT woitok DOT gmail DOT com>
To:	cygwin AT cygwin DOT com
Reply-To:	Brian DOT Inglis AT SystematicSw DOT ab DOT ca
From:	Brian Inglis <Brian DOT Inglis AT SystematicSw DOT ab DOT ca>
Message-ID:	<3a01723f-e44d-9017-2f2c-c7461b293bfb@SystematicSw.ab.ca>
Date:	Sun, 5 Mar 2017 10:04:53 -0700
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On 2017-03-05 09:03, Dr Rainer Woitok wrote:
> after some discussion the packages "awk", "grep", and "sed" were recent-
> ly updated to open pipes  in binary mode only.   I do not want to revive
> the discussion about pros and cons,  I just want to make known  how this
> change broke one of my scripts.  My script contains the line
>    cygcheck -cv | gawk '...'
> which now produces  utterly garbled output.   The reason  simply is that
> "cygcheck" produces output lines with Windows style line ends.   To test
> just run the following:
>    $ cygcheck -cv | od -tcx1 | head -4
>    0000000   C   y   g   w   i   n       P   a   c   k   a   g   e       I
>             43  79  67  77  69  6e  20  50  61  63  6b  61  67  65  20  49
>    0000020   n   f   o   r   m   a   t   i   o   n  \r  \n   L   a   s   t
>             6e  66  6f  72  6d  61  74  69  6f  6e  0d  0a  4c  61  73  74
> So there obviously is at least one Cygwin tool  which uses Windows style
> "\r\n" line ends  in its output.   I don't know whether or not there are
> any others,  but in my opinion this move to binary mode pipes should not
> have been made as long as there are Cygwin tools producing Windows style
> line ends.

Patched in: 

https://sourceware.org/ml/cygwin-cvs/2017-q1/msg00039.html

should be picked up in next releases of cygcheck and strace in package cygwin.
This has not been mentioned in cygwin-patches, cygwin-apps, or here in cygwin.

-- 
Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada

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