how to get a files file type?

[Mark]

Is there an easy way to find a selected files file type in RR?

Eg:

on mouseup
    answer file "Please choose a file:"
   if it is empty then exit mouseUp

-- if the type of it is APPL then answer "an app"

end mouseup


Cheers,
Mark
-- 
MCS, PO Box 259, Dunedin, New Zealand