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1993-02-20
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****************************************************************************
WHATZIP
Version 2/20/93
Copyright (c) 1993 John Pulliam
For IBM Computers and Compatibles
****************************************************************************
This program determines and displays what version(s) of ZIP program
was used to create the ZIP file(s) specified on the command line.
This program may only be used with DOS 2.0 or higher.
This program is released to the Public Domain for non-commercial use
and may be used for commercial use with permission of the author.
PKZIP is a Copyright of PKWARE, Inc.
WHATZIP was written because I had converted some of the ZIP files
on my hard disks to version 2.0 but not all of them. It became
time consuming to check every ZIP file in every directory to see
if it had or had not been converted.
WHATZIP simplifies the process greatly.
The calling method is:
"WHATZIP[/n] filespec1 filespec2 ... filespecN"
Where filespec1 ... filespecN are the names of ZIP files.
An extension may be appended if desired.
".ZIP" is assumed if the extension is not included.
Drive(s) and directory(s) are usually included in filespecs.
Wildcards * and ? may be used in the filespecs where DOS
will accept them.
A '/n' specifies that only files created with PKZIP n.x
will be displayed.
Values of 0 - 4 may be used for n.
(This allows for future versions.)
The default is to display ALL versions, "n = 0".
The '/n' may be placed any where on the command line.
One '/n' argument may be on the command line for each
filspec on the command line. They will be assumed to
be in the same sequence as the filespecs.
Informative and error messages are displayed, depending on
circumstances.
An ERRORLEVEL of 0 is returned if NO error occurs.
An ERRORLEVEL of 1+ is returned if an error occurs.
Example:
"WHATZIP D:*"
Will display all files ending with a .ZIP
extension.
"WHATZIP /2 D:\DLOADS\*.ZIP /1 D:*.Q*"
Will display all zip files made via version 2.x
in directory D:\DLOADS\ and all files ending with
a .Qxx extension made by zip version 1.n in D.
WHATZIP is written entirely in Microsoft Assembly Language (MASM).
This program is made available for use with NO liability of any
kind assumed by the author.
Written by:
John R. Pulliam
1324 Cypress Bend Circle
Melbourne, Florida 32934
(407) 255-7690
****************************************************************************