See perldoc perlsub, specifically the section entitled Prototypes. If you prototype them with sub my_open (*$) I think it should work the way you want. An alternative might be to use an OO interface and inherit from IO::Handle, just overriding the relevant methods.

In reply to Re: Replicate open() and close() by Fletch
in thread Replicate open() and close() by BigLug

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