diff regression

[Scot Hetzel]

On 4/11/09, Xin LI <delphij at delphij.net> wrote:
> |> | It used to say:
> |> |        -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.
> |> |
> |> | Now it's gone. Regression?
> |>
> |> What's wrong with -N?
> |
> | Nothing, I just didn't know about -N.
>
> I'm not very sure, are the two option functionally same?

According to the diff.1 man page

 -N (--new-file)

Treat absent files as empty

--unidirectional-new-file (-P)

Treat absent first files as empty

So it would seem the two options are different.

Scot