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6.1 Files and Filenames


A file is a named entry in a file system, having an implementation-defined nature.


Handle: filename

A filename is a handle, not necessarily ever directly represented as an object, that can be used to refer to a file in a file system (file)

Function: truename filespec => truename

truename tries to find the file indicated by filespec and returns its truename. If the filespec designator is an open stream, its associated file is used.


a pathname designator. If filespec is a pathname it represents the name used to open the file


a physical pathname