file nativename name
Returns the platform-specific name of the file name. This is useful if the filename is needed to pass to a platform-specific call, such as exec under Windows or AppleScript on the Macintosh.
LES: What is the difference between file nativename and file normalize? What does file nativename do that file normalize doesn't?
RLH:file normalize "Returns a unique normalised path representation for the file-system object (file, directory, link, etc), whose string value can be used as a unique identifier for it. "
See also: