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> I wonder why the first read from an empty file returns nil rather
> than an empty string.
> E.g. fp:read(10) --> nil
> If the zero-sized file exists then it can be interpreted as a file
> containing an empty string (IMHO).

Yes, that is a valid interpretation. With that interpretation, all
reads after the last character would return an empty string, as there
are infinite empty strings between the last character and the end of

-- Roberto