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transparent iso9660 compression

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burzmali
Apprentice

Apprentice

Joined: 18 Apr 2002
Posts: 238
Location: ca

Posted: Tue Sep 17, 2002 10:00 pm Post subject: transparent iso9660 compression

how do you do this? i tried the -z option with mkisofs, and it made the same size .iso as without it. the new gentoo .iso's have it working, so i know it can be done, but how? thanks for your help! _________________ burzmali www.burzmali.net

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Spades
n00b
n00b

n00b

Joined: 18 Apr 2002
Posts: 12

Posted: Wed Sep 18, 2002 1:10 am Post subject:

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I'm assuming you have zisofs-tools emerged.

From the zisofs-tools README:

Quote:

First create a directory tree containing compressed files:

mkzftree input_dir compressed_dir

mkzftree will not overwrite an existing directory; you may want to "rm
-rf" the directory tree if you are doing this from a script:

Second, invoke the patched mkisofs with the -z option:

mkisofs -z -R [other options] -o compressed.iso compressed_dir

IMPORTANT: you *must* enable RockRidge (-R or -r) since this is an
extensions to the RockRidge specification. Without RockRidge, -z will
have no effect.

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