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1989-08-16
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UnZip
Version 1.1ß, 03-06-89
Zipfile Extract Utility
UnZip11.ZIP
Copyright (C) 1989 Samuel H. Smith; ALL RIGHTS RESERVED
This program is supported by:
The Tool Shop BBS
Phoenix, AZ
(602) 264-3969 (HST)
(602) 279-2673 (HAYES 9600)
'UnZip' is a small zipfile extract utility. It is written to be as
small portable as possible and is intended to be starting point for
implementation of .ZIP files in non-IBM environments.
Source code is provided in C and Turbo Pascal. If you port this program
to a non-IBM system, I would appreciate a copy of the ported source and
exe files.
Usage
-----
unzip filename ;C version
unz filename ;pascal version
unzip filename ;OS/2 version
Example
-------
unzip test
unzip test.z
Revision history
----------------
3-3-89
Initial alpha test release. The 'unshrink' procedure is now working
partially. It stops when the 'partial clear' code is received (this
happens after about 30k of text has already been seen). Look for a
fix to this last unshrink bug in the next week.
3-5-89
First fully operational release. Does not implement CRC verification,
but should correctly unzip all compression methods.
3-6-89
Corrected end-of-file detection in both shrink and reduce expanders.
Resulting files should now always have the correct size. Added ".ZIP"
default to unzip.c to match calling conventions of unz.pas.
24-July-89
Malcolm Greenhalgh.
Modified the C source of UNZIP to work with OS/2 (MS c v5.1). It is
complied to run in standard OS/2 v1.0 and v1.1, and can be run within
a Presentation Manager test-window.
This version to be called UNZIP2 when distributed, however to keep
commonality, can be renamed to UNZIP when installed.
LICENSE
=======
SourceWare: What is it?
-----------------------
SourceWare is my name for a unique concept in user supported
software.
Programs distributed under the SourceWare concept always offer
complete source code.
This package can be freely distributed so long as it is not
modified or sold for profit. If you find that this program is
valuable, you can send me a donation for what you think it is
worth. I suggest about $20.
Send your contributions to:
Samuel. H. Smith
5119 N. 11 ave 332
Phoenix, Az 85013
Why SourceWare?
---------------
Why do I include source code? Why isn't the donation
manditory? The value of good software should be self-evident.
The source code is the key to complete understanding of a
program. You can read it to find out how things are done. You
can also change it to suit your needs, so long as you do not
distribute the modified version without my consent.
Copyright
---------
If you modify this program, I would appreciate a copy of the
new source code. I am holding the copyright on the source
code, so please don't delete my name from the program files or
from the documentation.
SUPPORT
=======
I work very hard to produce a software package of the highest
quality and functionality. I try to look into all reported
bugs, and will generally fix reported problems within a few
days.
Since this is user supported software under the SourceWare
concept, I don't expect you to contribute if you don't like it
or if it doesn't meet your needs.
If you have any questions, bugs, or suggestions, please contact
me at:
The Tool Shop BBS
(602) 264-3969 (HST 9600)
(602) 279-2673 (HAYES 9600)
The latest version is always available for downloading.
Enjoy! Samuel H. Smith
Author and Sysop of The Tool Shop.