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From: ron@topaz.rutgers.edu (Ron Natalie)
Newsgroups: comp.unix.questions,comp.unix.wizards
Subject: Re: Setting PS1 prompt to show current directory.
Message-ID: <16549@topaz.rutgers.edu>
Date: Tue, 17-Nov-87 15:05:54 EST
Article-I.D.: topaz.16549
Posted: Tue Nov 17 15:05:54 1987
Date-Received: Thu, 19-Nov-87 22:29:43 EST
References: <275@caus-dp.UUCP>
Organization: Rutgers Univ., New Brunswick, N.J.
Lines: 7
Keywords: How do you do it?
Xref: mnetor comp.unix.questions:4942 comp.unix.wizards:5493

You can't.  Plain and simple.

It requires a 5R2 or later Bourne shell and its shell function
feature to accomplish it.  Ksh from the UNIX toolchest will
provdie the functionality.

-Ron