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Amiga Elysian Archive
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Compress.gen
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1991-11-21
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Why do I need to compress?
If your only use of an Amiga is for games
- you don't!
#! 1 1 1 1 header.brush
If your use is more widely recreational - collecting games, animations,
pictures, diskzines you will soon accumulate a substantial quantity
of data and text disks. Some of these will be plain, others will
be compressed with archivers such as LHArc, and have to be de-
compressed before use. Others will be compressed with other tools
such as Powerpacker, each needing either decompression or its own
special reading or display tool. You need P-Compress:
Compress all your information files - all the programme instructions
and docs, text files and such. Their size will be halved and you
will have quite a number of disks left free. Use P-Reader to read
them WITHOUT prior decompression.
Decompress all those LHArc/Zoo/LHWarp/etc archives and re-compress
everything except Icons and Executables. Texts, IFF pictures and
Anim5 animations (Videoscape/DeLuxe Paint/The Director) can be read/
viewed directly by P-Reader without prior decompression. Others may
still have to be decompressed before use, but now you need only one
decompression tool.
Similarly decompress all those odds and ends compressed by PowerPacker
and the host of other tools that are around and re-compress. You
will save a lot of disk space, The single programme P-Reader can
display most things that are displayable, and where decompression
cannot be avoided you again need only the one compression tool. Leave
any executables uncompressed (but see below - compressing executables).
Finally if you have reference discs that are needed once in a blue moon
turn them into PACKS, store them two to a disk,
If you are more creative
and producing articles, drawings, animations
and such you will be needing to distribute them, either on disk or
by modem. Compress and you will get twice as much on each disk;
compress and you will halve the time and cost of sending your work
out by modem. The PACK form is useful here.
If you are actively programming
you will accumulate your own personal
library of utilities, code, programme examples. Keep the size of
this to manageable proportions by compressing all the texts & data.
Executables and icons can also be compressed but you may prefer to
leave them untouched and functional. Use P-Reader as the reader.
If you are actively collecting and distributing
data or information on
disk, compression can almost halve your disk & postage costs.
Self-extracting Executables.
Imploder and, for some types of executable, PowerPacker, can produce
self-extracting compressed executables which when called decompress
themslves automatically before running. These have their problems
but if used with care can save a good deal of space. Be warned that
some programmes can self-destruct in the process - always keep the
un-imploded original and work on a copy; for short programmes the
"compressed" programme will be larger than the original, for longer
programmes the increase in loading time may be unacceptable.
There are two other compression needs - Archiving, and Hard-disk backup.
A need for a true archiver perhaps arises only when you are working
on complex programmes and need to keep updating with the latest
versions of modules. The vast majority of people have no real need
of the complex variety of switches that they provide. For hard-disk
backup it is best to use a specialised programme such as BRU.
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