I know you already got a solution, but...

Could the real problem be because your example used $sock when you create the socket and add it to the select, but $socket on the line where you try to read it ? (use strict should catch this though, so perhaps it's just a typo you made while entering the example)

In reply to Re^3: Using select() on only one socket by Crackers2
in thread Using select() on only one socket by ivanatora

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