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LZ v1.00.adf
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LZ 1.00
1st February, 1991
Written by Jonathan Forbes
Copyright © 1990, 1991, Xenomiga Technology
Changes
o Compression speed is, on average, double that of LZ 0.91, but can often
more than triple LZ 0.91's performance for highly compressible files.
o LZ now produces output files 3-5% smaller (on average) than other .LZH
utilities.
o Decompression is fractionally faster (2-3% speed increase).
o User configurable screen update; previously hardcoded at 1024 for
compressing and 4096 for decompressing, this is now user configurable
with the -U option, and defaults to 1024 bytes for both. Thus, LZ
defaults to updating the display four times as quickly as before,
giving a better indication of its speed.
o Two MS-DOS Pkzip lookalike modes; the pre-v1.10 swivel (which is turned
on by -D1) and the v1.10 percentage display (-D2). There was no
particular reason for implementing this, but it's only a couple of lines
of code, so why not?
o The delete function now works properly.
o LZ will no longer say "** Error converting date **"; instead, it will
set the date to something reasonable and be quiet. This was never a bug
in the first place; LZ 0.91 was simply informing you that the date in the
archive was invalid (like 29-Sep-100), something Lharc never did.
Anyway, it's gone now, since some people mistakenly thought it was bug.
o LZTEMP.xxxxxx files are no longer left lying around if LZ is aborted.
o Files are now added in alphabetical order within their respective
directories.
o Fixed "file header too short" bug when decompressing files.
o Fixed bug which would spuriously report a corrupted file if the file
had a large filenote.
o Fixed a bug involving zero length files.
o LZ will no longer set the task priority of the CLI to zero upon exit.
o Input/output buffer is now set by -b (in K) instead of by -i and -o
(in bytes).
o The -N option (no console output) now automatically turns on -m (no
message query).
o LZ now recognises .dms and .arj files as archives.
o Millions of other things changed for the better.
o Cosmeticisms.
IMPORTANT NOTE: Please read the file IMPORTANT.README before you do
anything else.