[Tutor] padding frames

[Alan Gauld]

> x = ['DSCN-2.JPG', 'DSCN-11.jpg', 'DSCN-101.JPG',
> 'DSCN-2302.JPG']
> 
> Problem 1:
> How do I go about putting the files into a list?  

Try the glob module.

> even need to put the files into a list?  After all, I
> just want to change their names.  Do the files need to
> be opened?

No, just use the names.

> Problem 2:
> How do I isolate the portion of the file name that I
> need?

Try using the split() method of strings. split by '-' 
to get the N.JPG bit then split that by '.' to get the 
N by itself.

zfill N then join the three bits together again.

Alan G
Author of the Learn to Program web tutor
http://www.freenetpages.co.uk/hp/alan.gauld