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XPK (the eXternal PacKer) is a set of shared libraries designed to supply data
compression and encryption capabilities to third party programs on the AmigaOS
platform. Around since 1992 and still able to run on Amiga and Amiga NG systems
today, its strength was its modularity.
Did you ever lie awake at night wondering how many sub-libraries ("sublibs")
there were made for this system? No, of course not, because you're not a
weirdo. But I am, and hence I put together this guide about them all, with
such info as:
* Who wrote them and when they were last compiled;
* What algorithm they use;
* What use they were intended for;
* Which package they are/were in;
* Which bugs they had;
* Where to get them, if known (or why not, if known);
* What fixes Cosmos and Cholok made to them later.
The intention of this document is to preserve information. I've scoured the
internet for as much as I can on the sublibs, and much of it is slowly
disappearing, being eroded and lost to the tides of time. I thought this might
be my last chance to compile it and upload it to Aminet, preserve it a little
longer, so I did.
Look, nobody really uses XPK any more: there's just no need, with 5 TB hard
drives being common, the internet using far superior lossy compression, and the
CPU power to use really high-end lossless compression like LZMA2 for just about
any situation.
Things were different in 90s, so Amiga developers used ingenuity instead. And
that has always been fascinating to me. At worst, it's an interesting read.
Maybe at best it'll restore some memories of a better time for the Amiga.
Versions exist in AmigaGuide, simple text and PDF. There's also a quick
reference guide in html that should work in CSS-incapable old Amiga browsers.
There are no binaries in this package.
History
=======
1.0 : Initial version.
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Contents of docs/misc/xpksublibs.lha
PERMISSION UID GID PACKED SIZE RATIO METHOD CRC STAMP NAME
---------- ----------- ------- ------- ------ ---------- ------------ ----------
[unknown] 1358 1694 80.2% -lh5- d754 May 28 14:29 XPKSublibs.info
[unknown] 41182 113739 36.2% -lh5- 2447 May 28 14:33 XPKSublibs/xpksublibs.guide
[unknown] 2323 2947 78.8% -lh5- 6c0f May 28 16:19 XPKSublibs/xpksublibs.guide.info
[unknown] 11539 252768 4.6% -lh5- 2540 May 29 19:52 XPKSublibs/xpksublibs.html
[unknown] 2624 3240 81.0% -lh5- 10f6 May 29 19:53 XPKSublibs/xpksublibs.html.info
[unknown] 182287 213260 85.5% -lh5- b50f May 29 19:56 XPKSublibs/xpksublibs.pdf
[unknown] 1907 2267 84.1% -lh5- 988d May 29 19:57 XPKSublibs/xpksublibs.pdf.info
[unknown] 39181 104647 37.4% -lh5- 0594 May 28 14:30 XPKSublibs/xpksublibs.txt
[unknown] 1850 2787 66.4% -lh5- e5d9 May 28 16:19 XPKSublibs/xpksublibs.txt.info
---------- ----------- ------- ------- ------ ---------- ------------ ----------
Total 9 files 284251 697349 40.8% May 29 22:45
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Aminet © 1992-2024 Urban
Müller and the Aminet team.
Aminet contact address: <aminetaminet net> |