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From: rjk@mrstve.UUCP (Richard Kuhns)
Newsgroups: net.micro.att
Subject: Re: UNIX PC command surprises...
Message-ID: <235@mrstve.UUCP>
Date: Fri, 4-Apr-86 08:51:39 EST
Article-I.D.: mrstve.235
Posted: Fri Apr  4 08:51:39 1986
Date-Received: Wed, 9-Apr-86 09:57:08 EST
References: <351@hropus.UUCP> <888@kitty.UUCP> <2012@brl-smoke.ARPA> <919@kitty.UUCP> <166@andromeda.RUTGERS.EDU>
Reply-To: rjk@mrstve.UUCP (Richard Kuhns)
Organization: Mr sTVe's, Lafayette IN
Lines: 20

In article <166@andromeda.RUTGERS.EDU> dave@andromeda.RUTGERS.EDU (Dave Bloom) writes:
><>
>> 	Traditional System V Release 2.x does use two totally different
>> programs for egrep(1) and grep(1)....
>>
>> 	HOWEVER, this is NOT TRUE FOR THE 7300; the 7300 functions are
>> identical!  I don't have specific source code for the 7300, so I don't know
>> what algorithm is used for the grep functions, but it is obviously not the
>> same as traditional Sys V Release 2.  I have no idea why AT&T has made this
>> departure for the 7300.
>
>Probably to save space on an already cramped disk. You only need one executable
>instead of three.
>-- 
Sounds good, but on my machine I have *2* separate executable files.  `grep'
and `egrep' are both links to one file, while `fgrep' is a file by itself.
This makes even less sense to me, since running cmp on fgrep & grep doesn't
show any differences...
-- 
Rich Kuhns		{ihnp4, decvax, etc...}!pur-ee!pur-phy!mrstve!rjk