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From: eggert@twinsun.com (Paul Eggert)
Newsgroups: news.software.b,unix-pc.general
Subject: Re: cnews on a 3B1 with ksh
Message-ID: <1990May25.211219.8405@twinsun.com>
Date: 25 May 90 21:12:19 GMT
References: <1990May22.212714.6570@bagend.uucp> <1990May23.190938.16011@shibaya.lonestar.org>
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Organization: Twin Sun, Inc
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afc@shibaya.UUCP (Augustine Cano) writes:

	I encountered the problem too when installing cnews.  The culprit is a
	string in inews called `egreppat'.  As it is, with 4 back-slashes, it
	works with sh.  To make it work with ksh, it has to have 2.  If you
	make this change, it will only work with ksh.

I assume you mean the following code.

	egreppat="^(` sed -e 's/[.+*()|[]/\\\\&/g' -e 's/,/|/g' <$nglist `) "

Why not just rewrite it as follows?
This should work with both sh and ksh.

	sedscript='s/[.+*()|[]/\\&/g; s/,/|/g'
	grouppat=` sed "$sedscript" <$nglist `
	egreppat="^($grouppat) "