Re: diff -r option to ignore missing files

[Chuck Swiger]

Bryce Nesbitt (mailing list account) wrote:
> This is a request for a new switch to diff -- "ignore files that don't 
> exist" (e.g. suppress the  "Only in" message).
>
> Why?
>
> Sometimes I build a sparse tree with only the files I've changed, and I 
> want to diff it to the original.

At least part of what you're asking for is available via:

  -P     When comparing directories, if a file appears only in the second
         directory of the two, treat it  as  present  but  empty  in  the
         other.

--
-Chuck