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1991-04-28
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UnZip
Version 1.2, 03-15-89
Zipfile Extract Utility
UnZip12.ZIP
Copyright (C) 1989 Samuel H. Smith; ALL RIGHTS RESERVED
'UnZip' is a small Zipfile extract utility. It is written to be as
small and portable as possible -- ideal as a starting point for handling
.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
exec files.
Usage
-----
unzip filename[.zip]
Revision history
----------------
3-3-89
Initial alpha test release.
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.
3-8-89
Moved machine and operating-system specific code to a block starting
around line 180. Added code to swap bytes on host machines that
store the high order bytes in lower address locations than the low
order bytes.
3-15-89
Added CRC checking in UNZIP.C. Speeded operation by about 150%.
I'm spending my time on the C version now and don't plan to do any
further work on the pascal. If you're using the pascal version
please contact me.
LICENSE
=======
You may copy and distribute this program freely, provided that:
1) No fee is charged for such copying and distribution, and
2) It is distributed ONLY in its original, unmodified state.
If you wish to distribute a modified version of this program, you MUST
include the source code.
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.
IN NO EVENT WILL I BE LIABLE TO YOU FOR ANY DAMAGES, INCLUDING ANY LOST
PROFITS, LOST SAVINGS OR OTHER INCIDENTAL OR CONSEQUENTIAL DAMAGES
ARISING OUT OF YOUR USE OR INABILITY TO USE THE PROGRAM, OR FOR ANY
CLAIM BY ANY OTHER PARTY.
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.