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Bug 557639 - Add support for xz compressed archives
Add support for xz compressed archives
Status: RESOLVED OBSOLETE
Product: evince
Classification: Core
Component: general
git master
Other All
: Normal enhancement
: ---
Assigned To: Evince Maintainers
Evince Maintainers
Depends on:
Blocks:
 
 
Reported: 2008-10-23 17:37 UTC by Paolo Melchiorre
Modified: 2011-06-08 17:00 UTC
See Also:
GNOME target: ---
GNOME version: 2.27/2.28



Description Paolo Melchiorre 2008-10-23 17:37:08 UTC
LZMA = Compression method of 7z format in 7-Zip program

LZMA is a compression algorithm, based on the famous Lempel Ziv compression
method.

The main characteristics of the algorithm are very good compression, fast
decompression, use of lot of RAM for compression and low usage of RAM for
decompression.

LZMA provides high compression ratio and very fast decompression, so it is very
suitable for embedded applications. For example, it can be used for ROM
(firmware) compression.

This package provides a gzip-like interface for the lzma program.

( see also http://www.7-zip.org/sdk.html )

( file-roller support .lzma and .tar.lzma )

http://packages.debian.org/sid/file-roller
Comment 1 Paolo Melchiorre 2009-07-15 10:19:04 UTC
New compression tool and format is xz.
http://tukaani.org/xz/

file-roller have support for xz compressed archives now
http://bugzilla.gnome.org/show_bug.cgi?id=582237

Can you add support for xz compressed archives (pdf.xz) like for pdf.gz and pdf.bz2 ?
Comment 2 Nickolay V. Shmyrev 2009-07-15 18:12:21 UTC
Sorry, first of all such format should be added to mime types in shared-mime-info.
Comment 3 Paolo Melchiorre 2009-07-15 19:08:23 UTC
It has been added two months ago in CVS.

http://webcvs.freedesktop.org/mime/shared-mime-info/

It will be in the next version.

https://bugs.freedesktop.org/show_bug.cgi?id=22593

Comment 4 Nickolay V. Shmyrev 2009-07-16 02:26:34 UTC
It's not about .xz mime type, but about .pdf.xz mime type.

To be honest I don't really think that such format is very important. Is
it widely used? The reason that .pdf.gz exists is that it's used in
Debian for documentation.
Comment 5 Javier Jardón (IRC: jjardon) 2011-06-08 16:05:42 UTC
Hello,

the format was added last December: http://cgit.freedesktop.org/xdg/shared-mime-info/commit/?id=6a1aad4e1e7c9857a25134dac9f5be13231101f5

and It's more used nowadays. Could you reconsider this request?
Comment 6 José Aliste 2011-06-08 17:00:54 UTC
Evince 3.0 does support xz compression. I can read pdf.xz files without problem.