[tex-live] Re: Re: [tug-board] Any news of DVDs ?
Hans Hagen
pragma at wxs.nl
Tue Jan 31 11:08:44 CET 2006
Karl Berry wrote:
> Incidentally, 7-zip even has its own format (7z) which in many cases
> packs much better than anything else.
>
> Yeah. If someone would like to try 7zipping the TL iso, I'd be
> interested to know how it fares, both in how well it compresses and in
> decompression time.
>
>
a context specific tex tree, including lots of fonts, documentation, perl, ruby and scite:
01/19/2006 08:31 PM <DIR> isoimage
01/31/2006 10:47 AM 403,415,040 iso.tar
01/31/2006 10:36 AM 199,058,897 iso.zip
01/31/2006 10:47 AM 190,540,872 iso.tar.gz
01/31/2006 10:59 AM 189,692,517 iso.tar.zip
01/31/2006 11:06 AM 176,787,730 iso.tar.bz2
01/31/2006 09:42 AM 154,393,645 iso.r7
observations:
- zip is less inferior to gzip than suggested on this list (compare compressed tarballs); zipping without tarball leads to larger files because then the files are compressed individually (inefficient for the many small files in the tree)
- 7zip is slow, (somehow afm files are compressed very slow); since files are added in the sort order of the suffix, my guess is that its compression may depend on the filetype, slower on text than on binary data
- bzip2 is slow too
so, 7zip is okay, but only when part of a more or less automated workflow
Hans
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