file compare tool?

[Andras Simon]

On 3/2/08, Don Russell <fedora at drussell.dnsalias.com> wrote:
> I am looking for a tool I can use to compare two files, and show me the
> differences in a side-by-side view. Ideally, I'd like a view like SVN does
> via the httpd interface... i.e. one side has removed code shown in a
> red/pink background, the other side shows new code in green...
>
> It would be perfect if I could use it is a command line tool, and then it
> would display the results in an X window (based on the DISPLAY env
> setting...
>
> Any suggestions?

Have a look at emacs' ediff, and see if you can customize it to your liking.

Andras