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Message-ID: <20030828150730.80171.qmail@web14604.mail.yahoo.com>
Date: Thu, 28 Aug 2003 16:07:30 +0100 (BST)
From: =?iso-8859-1?q?Biju=20G=20C?= <bijumaillist AT yahoo DOT com>
Subject: Re: 7-Zip
To: cygwin AT cygwin DOT com
In-Reply-To: <20030828075944.GA1258@aragorn.etc.sk>
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Assuming .bz2 and bzip2 format are the same.
I did following test.

Downloaded
http://umn.dl.sourceforge.net/sourceforge/gaim/gaim-0.67.tar.bz2
(mirrors at http://prdownloads.sourceforge.net/gaim/gaim-0.67.tar.bz2?download )

unzipped and re-zipped 7-Zip format.
and here are the numbers

gaim-0.67.tar.bz2  - 2.79 MB (  2,934,003 bytes )
gaim-0.67.tar      - 15.0 MB ( 15,728,640 bytes )
gaim-0.67.7z       - 2.10 MB (  2,210,044 bytes )  24.67 % more than bz2


When I compare zip & 7z format I get average of 25% advantage.
So bzip2 being a better format 24.67 % should be little high


 --- Marcel Telka <marcel AT telka DOT sk> wrote: > 
> On 28.08.2003 09:13, Biju G C wrote:
> > 7-Zip an application made by Igor Pavlov ( http://7-zip.org/ )
> > gives a very high compression ratio.
> 
> The homepage contains comparison between 7-zip and another windows 
> compression programs, but it lacks comparison with bzip2...
> 
> Is the compression ratio for 7-zip better than bzip2?
> 
> 
> Regards.
> 
> -- 
> +-------------------------------------------+
> | Marcel Telka   e-mail:   marcel AT telka DOT sk  |
> |                homepage: http://telka.sk/ |
> |                jabber:   marcel AT jabber DOT sk |
> +-------------------------------------------+
> 
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