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From: ron@brl-tgr.ARPA (Ron Natalie <ron>)
Newsgroups: net.sources
Subject: Re: pushd/popd wanted (from net.wanted.sources)
Message-ID: <10759@brl-tgr.ARPA>
Date: Fri, 17-May-85 00:11:01 EDT
Article-I.D.: brl-tgr.10759
Posted: Fri May 17 00:11:01 1985
Date-Received: Sat, 18-May-85 23:36:55 EDT
References: <1798@watcgl.UUCP> <2385@wateng.UUCP>
Distribution: net
Organization: Ballistic Research Lab
Lines: 15

> Pushd and Popd are built into
> some CSH.  However, many CSH don't have them.  I don't think you can
> really simulate the action in Bourne shell, but these CSH
> aliases will provide the necessary effect.  Note that
> they depend on the existance of the $cwd shell variable.
> If your shell doesn't provide the psuedo-variable $cwd you
> will have to use the alias for CD as well.
> 
The System 5R2 shell has shell functions and one of the applications
notes that ATT sent out included pushd and popd functions for it.

If you have a 5R2 license, you can get a copy of the shell for 4.2
from BRL.

-Ron