On Sep 1, 2009, at 6:24 PM, Minh Nguyen wrote:

>
> Hi Jan,
>
> On Tue, Sep 1, 2009 at 11:37 PM, Jan Groenewald<j...@aims.ac.za> wrote:
>
> <SNIP>
>
>> Is "sage -t" used for testing one's own code?
>
> Yes.
>
>
>> Should /usr/local/src/sage-4.1.1/tmp/tmp be world-writeable?
>
> No since from a security point of view you don't want regular users to
> write anything there. Think of that tmp directory as being for the
> root user or anyone in the sudoer group to write temporary stuff. By
> default, testing your custom Sage script with
>
> sage -t /path/to/my/script.sage
>
> using a system-wide Sage installation would result in a permission
> error. If you want to test your own Sage script, you can install Sage
> under your own home directory or test the script as root or using
> sudo.


Note that this should be considered a workaround.  It should be  
considered a bug that users without write permissions to the Sage  
install directory can't test their scripts.

It would be much better for Sage to use temp space in DOT_SAGE, i.e.,  
$HOME/.sage/temp by default.    

William

>
>> Is there then any control on the space used?
>
> I don't understand this question.
>
> -- 
> Regards
> Minh Van Nguyen
>
> >


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