Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!uunet!wang!currier
From: currier@wang.UUCP (Ronald Currier)
Newsgroups: comp.sys.amiga.tech
Subject: Re: PushDir/PopDir available?
Keywords: utility push pop AMigaDOS
Message-ID: <664@wang.UUCP>
Date: 15 Nov 89 18:09:00 GMT
References: <144@tw-rnd.SanDiego.NCR.COM>
Organization: Wang Labs, Lowell MA
Lines: 20

johnl@tw-rnd.SanDiego.NCR.COM (John Lindwall) writes:

>Has anyone out there written PushDir and PopDir utilities?  These are CLI-
>type utilities that I've gotten used to with MSDOS (At work OK?) and Unix.
>They work like this:  You type "PushDir" and the current directory is saved
>onto a stack.  You CD all over the place for a while, and when you want to
>return to your original directory you type "PopDir".

>If not, I'd like to take a stab at writing them.  I'm new to CLI internals
>so I'd appreciate any help.  I assume the (or Shell) CLI has a lock on its
>current directory.  When "PushDir" is called can I just duplicate this lock
>in a data structure? When "PopDir" is called ,can I just Unlock the current
>dir lock, and lock the saved lock?  (Heh heh.  Look at how naive I am).

Yes they are available because I wrote a set. I don't know if they work
under 1.3 or not however, because I switched to using Bill Hawes WSHELL which
provides the same service. What you suggest is basically correct as I remember
it. If you are interested in the code, let me know and I will send it to you.

	- Ron (wang!pensoft!currier)