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Old 06 December 2007, 01:06   #1
Picard
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zip/unzip

Is there a program for amiga that can pack files on hd to .zip ? I only have unzip program.What else packing programs are there? I know about lha and dms but they kind of suck.
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Old 06 December 2007, 01:15   #2
Graham Humphrey
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Yes, you should be able to get "Zip" from Aminet. (EDIT: here, in fact.)

Also you could try LZX if you haven't already.

Last edited by Graham Humphrey; 06 December 2007 at 01:34.
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Old 06 December 2007, 03:31   #3
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lha is better than zip. So if lha sucks then you are gonna be real unhappy with zip.
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Old 06 December 2007, 08:24   #4
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lha is better than zip.
Compression algorythms are better in ZIP.

Quote:
So if lha sucks then you are gonna be real unhappy with zip.
Amiga version of ZIP sucks. It does not archive subdirectories and files in them.
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Old 06 December 2007, 10:12   #5
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Compression algorithms are better in LHA.
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Old 06 December 2007, 11:04   #6
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Quote:
Originally Posted by mailman
Compression algorythms are better in ZIP.
Quote:
Originally Posted by StrategyGamer
Compression algorithms are better in LHA.
Nice, well reasoned debate, there.
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Old 06 December 2007, 12:28   #7
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Hi Picard, yes there is:

http://aminet.net/package/util/arc/Zip

The usage format is:

Zip -r (archive location/name) (files to be archived location/name)

It works fine and it DOES recurse/archive subdirectories if you use that -r switch. It's case sensitive - don't use -R
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Old 06 December 2007, 14:19   #8
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Zip -r (archive location/name) (files to be archived location/name)

It works fine and it DOES recurse/archive subdirectories if you use that -r switch. It's case sensitive - don't use -R
Yes I was wrong in that. I stand corrected. But I did some tests which is better:

Test performed on 5 files:

Code:
1. 09.DAT             51462 - data file
2. AEROSMITH.iff     301594 - picture file
3. DBM.WcManager2    378368 - music module in DBM format
4. ffmpegPPC        1126616 - executable
5. XM.WeirdOfAchron 2171958 - music module in FastTracker format

    Size of archive/percentage of compression
File            LhA              ZIP       Ratio LhA against ZIP (the smaller, the better)
1            12939/74,9%     12441/76%    1,040
2           270181/10,4%    269622/11%    1,002
3           243517/35,6%    242626/36%    1,003
4           541259/51,9%    517732/54%    1,045
5           873508/59,7%    865851/60%    1,008
Overall    1941400/48,1%   1908184/47%    1,017
Though on my machine LhA performed all the tests much faster.

Last edited by mailman; 25 October 2009 at 20:51.
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Old 06 December 2007, 14:41   #9
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Interesting tests. I'm not surprised lha is faster as it was developed for the Amiga.

I must admit, I tend to always use ZIP for convenience now. Some of the recent lha releases on Aminet have also been a little unreliable, as KG found out when he used to do his WHDLoad packs in lha.

No wonder he switched to ZIP.
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Old 06 December 2007, 14:47   #10
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Well, I stick to LhA 2.1 and don't care about any recent versions. They are not flawless and I don't have time for experiments. Although ZIP is more efficient, on Amiga I still use LhA. Nevertheless I clearly see that better compression algorythms are in ZIP especially when it comes to comparison of the archives I send through the e-mail. It is my main archiver on PC and it is stronger than LhA.
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Old 06 December 2007, 16:22   #11
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Using zip for its compression level isn't a good choice imho. Just try lzx with -9 option.
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Old 06 December 2007, 18:06   #12
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Wow, that Zip on Aminet is ooooooold. You can always get current versions at http://www.info-zip.org.
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Old 06 December 2007, 22:36   #13
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Zip isn't more efficient.

Why are you hiding your compression options?

It isn't a "test" when you don't show the options you used!
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Old 06 December 2007, 22:37   #14
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My dad's bigger than your dad.
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Old 06 December 2007, 22:52   #15
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This time it's packer war?

Zip it's more comfortable if you use WinUAE AND a real machine. Who cares about compression rates, there is enough space on Amiga (PC) hdd's these days.
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Old 06 December 2007, 22:57   #16
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I got a bigger pe**s than you


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This time it's packer war?
RAR RAR RAR

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Who cares about compression rates, there is enough space on Amiga (PC) hdd's these days.
You dont download much do you
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Old 06 December 2007, 23:01   #17
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You dont download much do you
No!!! I hate downloads, it's mainstream.
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Old 06 December 2007, 23:06   #18
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Google does not know the file WeirdOfAchron.

Please place the 5 test files in the zone so I can do proper tests on them.
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Old 06 December 2007, 23:44   #19
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Quote:
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Google does not know the file WeirdOfAchron.

Please place the 5 test files in the zone so I can do proper tests on them.
Take any files of yours and you will get the same results (of course I tested only default options and Amiga version of these archivers). Tomorrow I will upload the files.
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Old 06 December 2007, 23:50   #20
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The default value on your machine is whatever you set it to for lha.
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