From owner-freebsd-questions  Sat Jan  2 22:51:34 1999
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Date: Fri, 01 Jan 1999 22:51:13 -0800
From: Doug <Studded@san.rr.com>
Organization: Triborough Bridge & Tunnel Authority
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To: Peihan Wang <peihanw@mx.cei.gov.cn>
CC: freebsd-questions@FreeBSD.ORG
Subject: Re: grep binary files under xterm
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Peihan Wang wrote:
> 
> I am using CTMed 2.2.8 and X11R6 3.3.2.
> My window manager is lesstif-0.84.
> 
> Under xterm, for example, When I do the following:
> 
> /etc$ grep abcdefghijklmnop pwd.db
> /etc$
> 
> Because there is no string "abcdefghijklmnop" in
> file pwd.db, nothing happens.
> 
> But if I do the following instead:
> 
> /etc$ grep root pwd.db
> 
> Since pwd.db must contains string "root", my xterm
> window becomes a mass. ASCII can not be displayed,
> all what I can see are strange characters.
> 
> I also tried some binary files while using grep. If
> the file contains the searching string, xterm window
> becomes a mass. But this will not happen in console
> mode.
> 
> How could I tune something to correct it ?

	Don't grep binary files?  I have the following in my .bashrc:

alias grep='grep -a'

hope this helps,

Doug

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