On Wed, Nov 19, 2008 at 12:02 PM, Simon King
<[EMAIL PROTECTED]> wrote:
>
> Sorry for replying to myself, but I also have a follow-up question.
>
> On Nov 19, 1:40 pm, Simon King <[EMAIL PROTECTED]> wrote:
>> How can I do the same thing when I am in Sage, using the following
>> variables?
>
> Meanwhile I learned that os.system can do those things.
>
> Next question: I also need to know the contents of the archive. Using
> tar in Linux:
> tar -tzf file.tar.gz
> which lists the archived file names.
>
> When I do
> sage: os.system('tar -tzf file.tar.gz')
> then the list of file names appears on the screen, but it is not
> returned as a string.
Is this platform independent??
http://www.python.org/doc/2.5.2/lib/module-tarfile.html
and/or
http://mail.python.org/pipermail/python-list/2001-December/118010.html
might help.
>
> Is there a direct way to get the list of file names into Sage? I only
> know the following clumsy work-around:
> sage: os.system('tar -tzf file.tar.gz > tmpfile')
> sage: f = file('tmpfile','r')
> sage: L = f.read().split('\n')
>
>> Moreover, it should be platform independent.
>
> This still is a concern for me. Would the above be acceptable for the
> Windows/VMWare or OS X versions of Sage, or what else should I do?
>
> Cheers,
> Simon
>
> >
>
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