Io.type
From GiderosMobile
Available since: Gideros 2011.6
Description
Checks whether obj is a valid file handle. Returns the string "file" if obj is an open file handle, "closed file" if obj is a closed file handle, or nil if obj is not a file handle.
(string), = io.type(obj,)
'obj: (any) object to test '
Returns (string) string representing the state of the object or nil if not file handler