Re: VimDIFF - ONLY on the first field of two files ?

Philip Rhoades wrote:

> I live in vim and therefore use vimdiff most of the time for my needs
> but I have a use case where I only want to diff on the FIRST field of
> two files ie the files have lines that look like:
>
> [dir|file]name | [D|F] | mtime
>
> and I need to be able to have vimdiff only working on the [dir|file]name
> and ignore the rest of the line - is this possible somehow?

This is currently not possible. And it would be more than a bit of work
to implement. At the same time, it can be very useful to be able to
diff while ignoring some text.

A first idea would be to define a pattern, replace the matched text with
spaces, create the diff, then undo the replacement. Perhaps also
highlight the ignored text. Optionally this would work the other way:
replace the not-matched text with spaces.


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