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Article #4905

Re: ZIP & PKUNZIP ok together? Questions...

#4905
From: David Charlap
Date: Thu, 12 Sep 1996 00:00
39 lines
2529 bytes
In article <519br6$hr2@cpcug.org>, Keith Bennett <kbennett@cpcug.org> wrote:
>
>I would like to use ZIP (OS/2) to create a zip file that will be
>unzipped either by UNZIP (OS/2) or PKUNZIP (DOS).  

You shouldn't have to do anything special.

>I know that the -k option tells ZIP to create a PKZIP-compatible zip
>file.  What exactly does this translate to in terms of file structure?

I'm not sure about this, but I think the -k option is meant to make a
zip file compatible with the OS/2 version of PKUNZIP.  The PKWare
utilities for OS/2 were left at version 1.x, so they can't extract the
zip-2.0 files that the current PKWare DOS utilities and InfoZip
provide.

>What about files with extended attributes?  Obviously, PKUNZIP would
>ignore EA's, but will their presence confuse it?

I don't think so.  Your best bet is to give it a try and see if it
works.  The PKWare DOS utilities are available at most FTP sites that
have DOS apps.  I usually use ftp.wustl.edu or one of its mirrors.

If for some reason it doesn't work, the InfoZip utilities have been
compiled for DOS and Win32.  They should be available wherever you
find DOS and Windows apps.  You can make them available to your users
on your network.  It will certainly do the "right thing" when
extracting files with EAs.

Furthermore, you'll have a common interface for your DOS, Windows and
OS/2 users, since it will be the same program for everybody.

---------------------+--------------------------------------------------------+
David Charlap        | The contents of this message are not the opinions of   |
david@visix.com      | Visix Software, nor of anyone besides myself.          |
Visix Software, Inc. +------------------------------------------------+-------+
Member of Team-OS/2  | Vote Dogbert for supreme ruler of the universe |
---------------------+------------------------------------------------+
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From: david@visix.com (David Charlap)
Subject: Re: ZIP & PKUNZIP ok together?  Questions...
Date: 1996/09/12
Message-ID: <519s1a$kg1@shelby.visix.com>
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references: <519br6$hr2@cpcug.org>
organization: Visix Software, Reston VA
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