When I call socketpair() as you did, each of the two undef'd variables I passed in get set to contain ref to a glob. Turning such into a string (as you do) just gives me something like "GLOB(0x8080814)", which is pretty useless to open3.

- tye        

In reply to Re: fileno unexpectly returns undef (stringify) by tye
in thread fileno unexpectly returns undef by kees

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