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On Sunday 06 January 2008, David Schwartz wrote:
> > Hi,
> >
> > the 7-Zip archiver has recently become very popular because of
> > its good compression rate;
> > f.e. recent snapshot is about 34% smaller when packed with 7z
> > compared to tar.gz:
> >
> > -rw-r--r-- 1 root root 2484981 Jan 5 17:28 openssl-SNAP-20080105.7z
> > -rw-r--r-- 1 root root 3781438 Jan 5 17:27 openssl-SNAP-20080105.tar.=

> I'm not sure if the popularity of 7-Zip is high enough to justify the
> effort. But the benefit is significant. I ran some tests of an OpenSSL
> build using default settings for all compressors. It looked like this
> (higher is better):

i really dont think the 7z archive format is widely accepted in any sort of=
numbers that would convince posting of a .7z archive. however, i would poi=
out that lzma (the compression algorithm that the 7z archive format employ=
is gaining traction in the open source world via the lzma-utils package. =20
this provides a set of utilities with the same general interface as=20
gzip/bzip2. for example, the autotool packages have integrated native=20
support for it as have a number of other core projects in the GNU world.

it also has the advantage of working seamlessly with existing utilities:
gzip -c -d openssl-SNAP-20080105.tar.gz | tar xf
bzip2 -c -d openssl-SNAP-20080105.tar.bz2 | tar xf
lzma -c -d openssl-SNAP-20080105.tar.lzma | tar xf
people know `tar`, they dont know `7z`

3781438 openssl-SNAP-20080105.tar.gz=20
2495545 openssl-SNAP-20080105.tar.lzma
2484981 openssl-SNAP-20080105.7z

looks to me like tar+lzma is the way to go, not 7z

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