Hi,

In message "Re: [PATCH] File.readable_world? and File.writable_world?"
    on 04/01/12, Ian Macdonald <ian / caliban.org> writes:

|> I think it would be source of confusion.  They are too similar.  How
|> about writable_world? returns its permission bits if the file is
|> writable from others, otherwise nil?

|That's an interesting idea. The only problem is that world_writable?
|would return nil when checking a file that has accidentally acquired,
|for example, mode 446, which is very insecure. Returning nil in such a
|case from a method with a name like world_writable? might also be
|confusing.

The mode 446 is -r--r--rw-, which is writable from others, so that
world_writable? should not return nil, right?

|What about Nobu's suggestion to have the methods in File::Stat, too? Do
|you want me to add them there, also?

Sounds nice.

							matz.