Io.type

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