From mboxrd@z Thu Jan  1 00:00:00 1970
Path: news.gmane.org!not-for-mail
From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: What does Emacs on w32 know that grep can't figure out?
Date: Fri, 01 Oct 2010 09:09:41 +0200
Message-ID: <83zkuyqthm.fsf@gnu.org>
References: <AANLkTimmh0TZE2oVQV4A_7ijE5JfBD5obibDr992TYG=@mail.gmail.com>
	<AANLkTinNKTkpDgOO_Dkmf4f4NEX2gUG02yrZSiEwx+c_@mail.gmail.com>
Reply-To: Eli Zaretskii <eliz@gnu.org>
NNTP-Posting-Host: lo.gmane.org
X-Trace: dough.gmane.org 1285916991 31694 80.91.229.12 (1 Oct 2010 07:09:51 GMT)
X-Complaints-To: usenet@dough.gmane.org
NNTP-Posting-Date: Fri, 1 Oct 2010 07:09:51 +0000 (UTC)
Cc: lennart.borgman@gmail.com, emacs-devel@gnu.org
To: Juanma Barranquero <lekktu@gmail.com>
Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Oct 01 09:09:49 2010
Return-path: <emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org>
Envelope-to: ged-emacs-devel@m.gmane.org
Original-Received: from lists.gnu.org ([199.232.76.165])
	by lo.gmane.org with esmtp (Exim 4.69)
	(envelope-from <emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org>)
	id 1P1Zkb-0003tO-FJ
	for ged-emacs-devel@m.gmane.org; Fri, 01 Oct 2010 09:09:49 +0200
Original-Received: from localhost ([127.0.0.1]:36209 helo=lists.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.43)
	id 1P1ZkZ-0002Ls-KC
	for ged-emacs-devel@m.gmane.org; Fri, 01 Oct 2010 03:09:47 -0400
Original-Received: from [140.186.70.92] (port=37625 helo=eggs.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.43) id 1P1ZkT-0002Lh-Hi
	for emacs-devel@gnu.org; Fri, 01 Oct 2010 03:09:42 -0400
Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <eliz@gnu.org>) id 1P1ZkS-00030a-Az
	for emacs-devel@gnu.org; Fri, 01 Oct 2010 03:09:41 -0400
Original-Received: from mtaout22.012.net.il ([80.179.55.172]:63155)
	by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from <eliz@gnu.org>)
	id 1P1ZkS-000307-48
	for emacs-devel@gnu.org; Fri, 01 Oct 2010 03:09:40 -0400
Original-Received: from conversion-daemon.a-mtaout22.012.net.il by
	a-mtaout22.012.net.il (HyperSendmail v2007.08) id
	<0L9L00I00NVU3W00@a-mtaout22.012.net.il> for
	emacs-devel@gnu.org; Fri, 01 Oct 2010 09:09:38 +0200 (IST)
Original-Received: from HOME-C4E4A596F7 ([84.229.77.74]) by a-mtaout22.012.net.il
	(HyperSendmail v2007.08) with ESMTPA id
	<0L9L00H6BNW1KBB0@a-mtaout22.012.net.il>;
	Fri, 01 Oct 2010 09:09:38 +0200 (IST)
In-reply-to: <AANLkTinNKTkpDgOO_Dkmf4f4NEX2gUG02yrZSiEwx+c_@mail.gmail.com>
X-012-Sender: halo1@inter.net.il
X-detected-operating-system: by eggs.gnu.org: Solaris 10 (beta)
X-BeenThere: emacs-devel@gnu.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: "Emacs development discussions." <emacs-devel.gnu.org>
List-Unsubscribe: <http://lists.gnu.org/mailman/listinfo/emacs-devel>,
	<mailto:emacs-devel-request@gnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/archive/html/emacs-devel>
List-Post: <mailto:emacs-devel@gnu.org>
List-Help: <mailto:emacs-devel-request@gnu.org?subject=help>
List-Subscribe: <http://lists.gnu.org/mailman/listinfo/emacs-devel>,
	<mailto:emacs-devel-request@gnu.org?subject=subscribe>
Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org
Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org
Xref: news.gmane.org gmane.emacs.devel:131133
Archived-At: <http://permalink.gmane.org/gmane.emacs.devel/131133>

> From: Juanma Barranquero <lekktu@gmail.com>
> Date: Fri, 1 Oct 2010 01:58:38 +0200
> Cc: Emacs-Devel devel <emacs-devel@gnu.org>
> 
> > Is grep sometimes useless on w32 now, or?
> 
> It will be useless whenever you try to grep a file in a coding system
> the grep tool does not support...

Grep treats its input as a stream of bytes.  So it will not be able to
support any encoding where each character, including ASCII, takes 2 or
more bytes.  Unless you also encode the search string in the same
encoding, that is.