From owner-freebsd-questions@FreeBSD.ORG  Mon Jan 15 17:12:56 2007
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
X-Original-To: freebsd-questions@FreeBSD.ORG
Delivered-To: freebsd-questions@FreeBSD.ORG
Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52])
	by hub.freebsd.org (Postfix) with ESMTP id 1199816A494
	for <freebsd-questions@FreeBSD.ORG>;
	Mon, 15 Jan 2007 17:12:56 +0000 (UTC)
	(envelope-from olli@lurza.secnetix.de)
Received: from lurza.secnetix.de (lurza.secnetix.de [83.120.8.8])
	by mx1.freebsd.org (Postfix) with ESMTP id 92FEB13C457
	for <freebsd-questions@FreeBSD.ORG>;
	Mon, 15 Jan 2007 17:12:55 +0000 (UTC)
	(envelope-from olli@lurza.secnetix.de)
Received: from lurza.secnetix.de (vwfgja@localhost [127.0.0.1])
	by lurza.secnetix.de (8.13.4/8.13.4) with ESMTP id l0FHCn9N085538;
	Mon, 15 Jan 2007 18:12:54 +0100 (CET)
	(envelope-from oliver.fromme@secnetix.de)
Received: (from olli@localhost)
	by lurza.secnetix.de (8.13.4/8.13.1/Submit) id l0FHCmEL085537;
	Mon, 15 Jan 2007 18:12:48 +0100 (CET) (envelope-from olli)
Date: Mon, 15 Jan 2007 18:12:48 +0100 (CET)
Message-Id: <200701151712.l0FHCmEL085537@lurza.secnetix.de>
From: Oliver Fromme <olli@lurza.secnetix.de>
To: freebsd-questions@FreeBSD.ORG, kline@tao.thought.org
In-Reply-To: <20070114214410.GB24039@thought.org>
X-Newsgroups: list.freebsd-questions
User-Agent: tin/1.8.2-20060425 ("Shillay") (UNIX) (FreeBSD/4.11-STABLE (i386))
X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-2.1.2
	(lurza.secnetix.de [127.0.0.1]);
	Mon, 15 Jan 2007 18:12:54 +0100 (CET)
Cc: 
Subject: Re: perl substitution question
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
Reply-To: freebsd-questions@FreeBSD.ORG, kline@tao.thought.org
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 15 Jan 2007 17:12:56 -0000

Gary Kline wrote:
 > Giorgos Keramidas wrote:
 > > Watch out for shells with funny 'expansion rules', like csh(1) :)
 > > [...]
 > 
 > Man!  truer words, (&c)... .  One o the very few suggestions 
 > left for improving shells [ and/or subshells ] is a flag, 
 > say '-N' which would have *nothing* to be escaped.  In other 
 > words a '$' or '"' would be interpreted literally.

Everything between single quotes (') is taken literally
and does not need to be escaped.  Except for the single
quote character itself, obviously, but that's not a big
deal anyway.

Best regards
   Oliver

PS:  I'm talking about standard bourne shell, of course
(a.k.a. /bin/sh, zsh, ksh or bash).  I recommend against
using csh or tcsh.

-- 
Oliver Fromme,  secnetix GmbH & Co. KG, Marktplatz 29, 85567 Grafing
Dienstleistungen mit Schwerpunkt FreeBSD: http://www.secnetix.de/bsd
Any opinions expressed in this message may be personal to the author
and may not necessarily reflect the opinions of secnetix in any way.

"If you aim the gun at your foot and pull the trigger, it's
UNIX's job to ensure reliable delivery of the bullet to
where you aimed the gun (in this case, Mr. Foot)."
        -- Terry Lambert, FreeBSD-hackers mailing list.