file comparison

[Gabriel Genellina]

En Fri, 31 Jul 2009 06:25:17 -0300, learner learner <pyvault2.6 at gmail.com>  
escribió:

> I want to compare two text files line by line and eliminate the
> matching/repeated line and store the unmatched/leftout lines into a third
> file or overwrite into one of them.

Look at the difflib module: http://docs.python.org/library/difflib.html

If that's not what you want, you have to provide much more details.

-- 
Gabriel Genellina