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Path: utzoo!watmath!clyde!cbosgd!ihnp4!ihuxf!katrina
From: katrina@ihuxf.UUCP (Woodward)
Newsgroups: net.micro.att
Subject: Re: UNIX PC command surprises...
Message-ID: <2852@ihuxf.UUCP>
Date: Mon, 24-Mar-86 21:11:21 EST
Article-I.D.: ihuxf.2852
Posted: Mon Mar 24 21:11:21 1986
Date-Received: Thu, 27-Mar-86 07:02:32 EST
References: <351@hropus.UUCP> <888@kitty.UUCP>
Organization: AT&T Bell Laboratories
Lines: 29

> In article <351@hropus.UUCP>, jrw@hropus.UUCP (Jim Webb) writes:
> > 	Has anyone else out there noticed that on the "7300" the
> > 	grep, egrep, and fgrep commands are IDENTICAL.  The other
> > 	day I did an egrep "nproc|NPROC" or some such thing and
> > 	it failed!  A quick cmp of grep and egrep yielded no 
> > 	differences, in fact, grep and fgrep are linked together.
> > 
> > 	Boy, and to think that people pay extra to get egrep
> > 	with the Development Set....
> 
> 	Aw, come on!  *THINK*  I'm suprised that you haven't discovered that
> ``edit'', ``ex'', and ``vi'' are also identical and are linked
> together.  Does that mean they are the same?

> 	In case you still don't know the answer...  In an program, argv[0] is
> the NAME by which the program was invoked.  Since the source code for
> grep and egrep is very similar, the same compiled program is used,
> with the argv[0] being used to switch the internal program logic.  The
> same situation is also used for the above editors.

Near as I can tell tho, these three programs do NOT behave differently
based on argv[0]!  At least 'fgrep' doesn't behave any differently
than 'grep' (it can't seem to read from a file) - and 'egrep' doesn't
know the "editor-like" statements its supposed to know.  I for one DO
feel gyped on this one!!


	Katrina Woodward
	ihnp4!ihuxf!katrina