Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ames!pasteur!agate!eos!jaw
From: jaw@eos.UUCP (James A. Woods)
Newsgroups: comp.unix.questions
Subject: Re: context-grep
Message-ID: <2557@eos.UUCP>
Date: 8 Feb 89 20:48:45 GMT
References: <9176@burdvax.PRC.Unisys.COM>
Organization: NASA Ames Research Center, California
Lines: 18

# "Information is any difference that makes a difference." -- Gregory Bateson

> I recall some time ago there was a discussion of some kind of
> variation on grep that could be used to show, e.g.,
> all lines in a file containing "foo" occurring within, say,
> 6 lines of a line containing "bar".
> 
> Is there anything available that will do this?

sure, GNU e?grep would handle this as:

	grep -6 bar file | grep foo

thank mike haertel.  it has been available via 'ftp' from prep.ai.mit.edu
for quite some time.

p.s. anyone using the original fast e?grep under the stead of 4.3-tahoe
should switch to GNU grep now.