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From: dce@mips.UUCP (David Elliott)
Newsgroups: net.bugs.4bsd
Subject: Re: grep 'RE botch' error
Message-ID: <640@mips.UUCP>
Date: Fri, 22-Aug-86 20:36:49 EDT
Article-I.D.: mips.640
Posted: Fri Aug 22 20:36:49 1986
Date-Received: Sun, 24-Aug-86 05:14:37 EDT
References: <191@clan.UUCP>
Reply-To: dce@mips.UUCP (David Elliott)
Organization: MIPS Computer Systems, Sunnyvale, CA
Lines: 26

In article <191@clan.UUCP> naren@clan.UUCP (Narendra Mehta) writes:
>
>	grep '[' file
>
>	gives a 'RE botch' error on our VAX-750 running 4.2BSD.  If the fix
>has already been posted, could someone please mail me the diffs?  Thanks.

The fix is to put 'exit(2)' after the line

	fprintf(stderr, "RE botch\n");

in compile(), and the line

	fprintf(stderr, "RE error\n");

in advance(). This only applies to /usr/ucb/grep in 4.2 and 4.3.
Without these, you get an 'RE error' message followed by a whole
slew of 'RE botch' messages. There isn't any reason for grep to
keep going if the RE compiles wrong, anyway.

Admittedly, when I first saw this bug reported, I fired off a note
to Narendra saying it wasn't a bug. Like a fool (sorry Barry), I
didn't try it out first (I did this last year as well, an event Dave
Sherman may remember).

			David