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From:	=?UTF-8?B?5bed5bSOIOato+iytA==?= <masataka-kawasaki AT koeitecmo DOT co DOT jp>
Subject:	grep3.0 of cygwin changed treatment of CR/LF.
Message-ID:	<96475ee0-f8a5-4c8a-b023-5c186f83d49f@koeitecmo.co.jp>
Date:	Thu, 11 May 2017 15:56:14 +0900
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I found a problem on grep 3.0 on command prompt of Windows10 with 64bit
cygwin.
It seems that treatment of CR/LF is changed.
I expect cygwin disposes of CR/LF.

grep 2.25(correct)
>uname -a
CYGWIN_NT-10.0 PCNAME 2.6.0(0.304/5/3) 2016-08-31 14:32 x86_64 Cygwin
>env LC_ALL=C grep --version
grep (GNU grep) 2.25
Copyright (C) 2016 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
<http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

Written by Mike Haertel and others, see
<http://git.sv.gnu.org/cgit/grep.git/tree/AUTHORS>.
> echo rr/| grep '^.*\/$'
rr/
> echo rr/| gawk '/^.*\/$/'
rr/
> echo rr/| sed -ne '/^.*\/$/p'
rr/

grep 3.0(incorrect)
>uname -a
CYGWIN_NT-10.0 PCNAME 2.8.0(0.309/5/3) 2017-04-01 20:47 x86_64 Cygwin
>env LC_ALL=C grep --version
grep (GNU grep) 3.0
Packaged by Cygwin (3.0-2)
Copyright (C) 2017 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
<http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

Written by Mike Haertel and others, see
<http://git.sv.gnu.org/cgit/grep.git/tree/AUTHORS>.
> echo rr/| grep '^.*\/$'
> echo rr/| gawk '/^.*\/$/'
> echo rr/| sed -ne '/^.*\/$/p'
> echo rr/>a.txt
> echo a.txt| grep '^.*\/$'
> cat a.txt| grep '^.*\/$'
> dos2unix a.txt
dos2unix: converting file a.txt to Unix format...
> echo a.txt| grep '^.*\/$'
> cat a.txt| grep '^.*\/$'
rr/
> cat a.txt| gawk '/^.*\/$/'
rr/
> cat a.txt| sed -ne '/^.*\/$/p'
rr/

thanks.


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