[bf1942] Decompressing .tar.bz2.zip files

Udo Held udo at udoheld.de
Wed Jun 18 04:21:58 EDT 2003


On Wed, Jun 18, 2003 at 12:59:58AM -0400, Battlefield at digitalnines.com wrote:
> "As a rule, compressed files get *larger* when you compress them again"
> Not necessarily, you could compress in one format but the second compression
> may have better compression ratio and thus reduce the file size :).

No. After a file is compressed(with usual compression algorithms) all the
figures are randomly spread throughout the file. Therefor the second
algorithm won't find to much redundant information which can be
compressed. It makes no sense to run zip over bzip or ace over zip...


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