Thanks, I don't suppose it would be worth someone trying to implement a simpler import/export function? I'm a lot happier with the underlying python now so it's not too big a deal but for a beginner this could be a bit of a sticking point (it was for me).
Cheers, Vince On 26 March 2012 14:22, Jason Grout <[email protected]> wrote: > On 3/25/12 10:39 PM, Dima Pasechnik wrote: > >> wow, *deleting* does this?! >> >> I duly sought close() method for output, didn't find it... >> > > I wouldn't use the del method, even if it may work, just because it looks > so odd compared to usual file paradigms. > > Searching for "cvs writer python empty file" on the net gives lots of hits > talking about this problem, and the main conclusion seems to be that you > need to close the file (or even better, use 'with' so the file is > automatically closed). > > > http://stackoverflow.com/**questions/3976711/csvwriter-** > not-saving-data-to-file-why<http://stackoverflow.com/questions/3976711/csvwriter-not-saving-data-to-file-why> > > > > >> Another question is why this is not needed at sage prompt. Different >> behaviour in shell and in nb is never good, IMHO. >> > > When you exit Sage (to look at the file), the files are automatically > closed (IIRC). In the notebook, the Sage session keeps running for the > next cell, so the difference seems to be natural. > > Jason > > > -- > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to sage-support+unsubscribe@** > googlegroups.com <sage-support%[email protected]> > For more options, visit this group at http://groups.google.com/** > group/sage-support <http://groups.google.com/group/sage-support> > URL: http://www.sagemath.org > -- Dr Vincent Knight Cardiff School of Mathematics Senghennydd Road, Cardiff CF24 4AG (+44) 29 2087 5548 www.vincent-knight.com @drvinceknight <http://twitter.com/#!/drvinceknight> Skype: drvinceknight -- To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
