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Software Vault: The Gold Collection
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Software Vault - The Gold Collection (American Databankers) (1993).ISO
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cdr31
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qzip104.zip
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UPDATE.104
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1993-06-04
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Qunzip and Qzip version 1.04 release notes
Updates and changes from previous versions
QUNZIP:
Improvements in unzipping files with the -d (recreate original
directories) option. Previous versions of Qunzip would always
recreate the directories under the current directory using the PK
style 'relative paths.' Now Qunzip allows you to specify the drive
and directory that the extracted directories will be created beneath,
allowing you to recreate stored zipfile directories on any drive and
under any directory.
This can be very handy for keeping backup copies of installation disks
in zipfile archives; you can use Qzip to make a zipfile copy of an
installation diskette in drive A: like this:
QZIP -rp myfile a:\*.*
This will cause Qzip to create a zipfile called MYFILE.ZIP which
contains all the files on drive A: in all subdirectories on that
drive, and include the directory names into the zipfile. When you
wish to create a new installation disk from MYFILE.ZIP, use Qunzip
like this:
QUNZIP -d myfile a:
This will extract the files and subdirectories from MYFILE.ZIP and
restore the original directory structure on drive A: with all files
in their proper locations.
When Qunzip was extracting files with the -d option it would try to
display the entire pathname on the pop-up display; this would
corrupt the display (didn't look very nice.) Now it will just
display the filename, as intended.
Thanks: Bob Carney
When Qunzip displayed the zipfile comment, it would occasionally
append a random character to the end of the comment. Fixed!
Improved display type/mode detection routine can now successfully
deal with more non-standard display adapters. Laptop machines that
emulate CGA on a B/W LCD screen will now show the animated progress
bar correctly.
Thanks: Mark Herring
International date support now provided when Qunzip displays a file
date; if your system is using a foreign language code page, Qunzip
will automatically format file date displays to match.
Qunzip is now even faster than before - several refinements to the
decompression routines result in a 3% speed increase over version
1.03.
QZIP:
When Qzip was creating zipfiles with the -p (include paths) option,
it would display the full pathname in the space on the pop-up display
where just a filename should appear. This would cause the display
to be 'messy'. Fixed!
Thanks: Bob Carney
Improved display type/mode detection routine can now successfully
deal with more non-standard display adapters. Laptop machines that
emulate CGA on a B/W LCD screen will now show the animated progress
bar correctly.
Thanks: Mark Herring
EMS memory support added - Qzip will now automatically detect that
your system has EMS memory and make use of it to increase operating
speed and reduce the amount of DOS memory used. New memory usage
figures:
With EMS - 205K free DOS memory needed.
Without EMS - 242K free DOS memory needed.
Qzip will run over 5% faster than version 1.03 when EMS memory is
in use. EMS versions 2.0 through 4.0 are supported, and there must
be at least 128K of EMS memory available or else Qzip will revert
to using DOS memory only.
New -+ command line option added to disable automatic EMS use; this
option is provided for special situations and troubleshooting and
should normally never be used.
Temporary file routines 'beefed up' to hopefully resolve a very
rare zipfile corruption problem. This problem could occur on
machines with non-standard disk controllers and certain disk cache
software (some laptops and not-very-compatible clones.) Even on
those machines, the chance of Qzip creating a bad zipfile was
extremely remote. Now Qzip will double-check the integrity of
the temporary file and inform you of any problems.
Thanks: Roy Timberman
International date support added - if your system is using a foreign
language code page, Qzip will automatically convert between your date
format and the standard zipfile date format.