From owner-freebsd-questions  Mon Sep 24 18:43:11 2001
Delivered-To: freebsd-questions@freebsd.org
Received: from mailsrv.otenet.gr (mailsrv.otenet.gr [195.170.0.5])
	by hub.freebsd.org (Postfix) with ESMTP id 5B35137B414
	for <freebsd-questions@FreeBSD.ORG>; Mon, 24 Sep 2001 18:43:08 -0700 (PDT)
Received: from hades.hell.gr (patr530-b005.otenet.gr [195.167.121.133])
	by mailsrv.otenet.gr (8.11.5/8.11.5) with ESMTP id f8P1h4c27161;
	Tue, 25 Sep 2001 04:43:05 +0300 (EEST)
Received: (from charon@localhost)
	by hades.hell.gr (8.11.6/8.11.6) id f8P1gjd02755;
	Tue, 25 Sep 2001 04:42:45 +0300 (EEST)
	(envelope-from charon@labs.gr)
Date: Tue, 25 Sep 2001 04:42:45 +0300
From: Giorgos Keramidas <charon@labs.gr>
To: Mark Rowlands <mark.rowlands@minmail.net>
Cc: freebsd-questions@FreeBSD.ORG
Subject: Re: silly sed question
Message-ID: <20010925044245.B2359@hades.hell.gr>
References: <20010924115816.EE2F637B418@hub.freebsd.org>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20010924115816.EE2F637B418@hub.freebsd.org>
User-Agent: Mutt/1.3.22.1i
X-GPG-Fingerprint: C1EB 0653 DB8B A557 3829  00F9 D60F 941A 3186 03B6
X-URL: http://labs.gr/~charon/
Sender: owner-freebsd-questions@FreeBSD.ORG
Precedence: bulk
List-ID: <freebsd-questions.FreeBSD.ORG>
List-Archive: <http://docs.freebsd.org/mail/> (Web Archive)
List-Help: <mailto:majordomo@FreeBSD.ORG?subject=help> (List Instructions)
List-Subscribe: <mailto:majordomo@FreeBSD.ORG?subject=subscribe%20freebsd-questions>
List-Unsubscribe: <mailto:majordomo@FreeBSD.ORG?subject=unsubscribe%20freebsd-questions>
X-Loop: FreeBSD.ORG

Mark Rowlands <mark.rowlands@minmail.net> wrote:
> I have a string
> 
> TARGETS='blob1 blob2 blob3'
> 
> and I wish to use to change this to 
> 
> TARGETS='blob1 blob2 blob3 blob4'    
> 
> for a multitude of files.
> 
> I am having problems with the quotes
> 
> sed -e  '/^TARGETS  s/'$/blob4'/'  myfile
> 
> ie find the line that begins with TARGETS and on that line swap the ending 
> single quote with blob4 and a single quote
> 
> is what I want to write and for sed to DWIM.....
> 
> I have tried escaping quotes in various places, double quotes and the like 
> but the correct incantation escapes me.......can anyone help

You are probably being bitten by TCSH's stupid quoting, which I NEVER actually
managed to get the grip of.  I tried testing this on sh(1), and here's what I
came up with:

	$ cat myfile
	TARGETS='blob1 blob2 blob3'
	$ sed -e "/^TARGETS/ s/\'$/ blob4\'/" myfile
	TARGETS='blob1 blob2 blob3 blob4'

-giorgos


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-questions" in the body of the message