file compare tool?

[Richard England]

Don Russell 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?
>
> Thanks very much,
> Don
>
>
> -- 
> There are 10 types of people in the world: those who understand 
> binary, and those who don't. :-) 

vim,  which is the vi implemented by default in Fedora,  can do this 
using the -d (for diff) switch.

vim -d  file1  file2      which will use the current window, curses style
or
gvim -d file1 file2    which will open it's own  X based application 
window.

~~R