Path: utzoo!utgpu!water!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!triceratops.cis.ohio-state.edu!karl
From: karl@triceratops.cis.ohio-state.edu (Karl Kleinpaste)
Newsgroups: comp.unix.wizards
Subject: Re: Shell/Cshell questions
Message-ID: <20911@tut.cis.ohio-state.edu>
Date: 29 Aug 88 19:00:43 GMT
References: <1145@ndsuvax.UUCP> <570021@hpsemc.HP.COM>
Sender: news@tut.cis.ohio-state.edu
Lines: 22
In-reply-to: bd@hpsemc.HP.COM's message of 25 Aug 88 21:25:20 GMT

bd@hpsemc.hp.com writes:
   Yow!  John Nelson called my bluff on /usr/lib/builtins:  he said
   he couldn't find it on any of the machines that he has access to.
   I remembered it from 4.2BSD (and HP-UX picked it up; probably some
   other vendors whose implementations are based on 4.2 have it as well).

You have your direction backwards: The set of changes to csh which
employ things like /usr/lib/builtins *originated* at HP via CMU.  The
base of such changes was the tenex.c module distributed around Usenet
in October 1983 by Ken Greer of HP Labs, which includes the comment:

/*
 * Tenex style file name recognition, .. and more.
 * History:
 *      Author: Ken Greer, Sept. 1975, CMU.
 *      Finally got around to adding to the Cshell., Ken Greer, Dec. 1981.
 *
 *      Search and recognition of command names (in addition to file names)
 *      by Mike Ellis, Fairchild A.I. Labs, Sept 1983.
 */

--Karl