gzipping several files

Byrom, R (Rob) R.Byrom at rl.ac.uk
Mon Dec 1 17:40:31 CET 2003


thanks Gerrit, 

I should of been a bit more specific, I actually did intent to use *.gz
format and not *.zip (a faux-pas on my behalf). I've worked around the
problem for the moment by just using the commands.getstatusoutput() to
execute the linux gzip command. Obviously Im not worried about portability! 

-----Original Message-----
From: Gerrit Holl [mailto:gerrit at nl.linux.org]
Sent: Monday, December 01, 2003 3:31 PM
To: Byrom, R (Rob) 
Cc: python-list at python.org
Subject: Re: gzipping several files


Byrom, R (Rob)  wrote:
> Does anyone know how to read-in several files and then batch all together
> into a *.zip format? I've looked at the gzip module but I'm not sure how
to
> use this with several files. Any help gratefully received!

The gzip module is about gzip, not about zip. Zip is different from
gzip: zip is both an archiver and a compressor: it bundles several files
into 1 file, *and* compresses them. In Unix, there are two different
protocols for that: archiving is done with tar (tarfile[0]), compressing
is done with gzip or bzip[1]. If you want to create a zip file, you may
use the zipfile module ;)[2]. A good place to look for a module if you
can't find it is the standard library documentation[3]. It is very
useful!

yours,
Gerrit.

[0] http://www.python.org/dev/doc/devel/lib/module-tarfile.html
[1] http://www.python.org/dev/doc/devel/lib/module-gzip.html, 
    http://www.python.org/dev/doc/devel/lib/module-bz2.html
[2] http://www.python.org/dev/doc/devel/lib/module-zipfile.html
[3] http://www.python.org/dev/doc/devel/modindex.html

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