DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:date:from:reply-to:message-id:to:subject
	:in-reply-to:references:mime-version:content-type
	:content-transfer-encoding; q=dns; s=default; b=Iw9XPqGUi+9Qr+4w
	T+Xfpd2OUiaIywE0eJAyCW6/5pq2yuTkcOL8hcLYj7L+8qQoJnZUedNb5LFIbEZm
	JzGvuHKXfZPv5dlkn0OuhLHKlVOFIAE++zvSyK9HEwkS0aGNG3YWtLyU37vA7aY2
	+N7fvfoVChVDPbU6pdpzBriQjXA=
Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
Sender: cygwin-owner AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
Date: Mon, 17 Dec 2018 23:35:59 +0300
From: Andrey Repin <anrdaemon AT yandex DOT ru>
Reply-To: cygwin AT cygwin DOT com
Message-ID: <791265280.20181217233559@yandex.ru>
To: =?utf-8?Q?Ond=C5=99ej_Sur=C3=BD?= <ondrej AT isc DOT org>, cygwin AT cygwin DOT com
Subject: Re: grep 3.0-2 not stripping CRs on Windows
In-Reply-To: <B18A59DC-C4E8-4833-A619-B7A3367F40D2@isc.org>
References: <B18A59DC-C4E8-4833-A619-B7A3367F40D2 AT isc DOT org>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit

Greetings, Ondřej Surý!

> the grep package in version 3.0-2 fails to strip CR characters from the
> input, the reproducer is fairly simple:

The change to not do text mode conversion any longer was delibrate and in line
with changes to other GNU tools.

> ```
> $ echo -e 'foo\r\n' | grep -a 'foo$'
> $
> ```

> Perhaps the grep fails to detect it’s running on Windows because of cygwin emulates Linux so well? :)

> This contradicts the manpage that says:

Man page refers to Windows and DOS native builds, while Cygwin is "a kinf od
Linux".

> And it’s a regression from previous behaviour, and unfortunately, this change breaks some existing scripts.

See above, the change was deliberate.
It affected sed, grep and probably diff/patch from what I can recall.
You can check list archives to find more information.


-- 
With best regards,
Andrey Repin
Monday, December 17, 2018 23:32:49

Sorry for my terrible english...
--
Problem reports:       http://cygwin.com/problems.html
FAQ:                   http://cygwin.com/faq/
Documentation:         http://cygwin.com/docs.html
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple