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All the Perl that's Practical to Extract and Report

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  • select ($rbits, undef, $ebits, TIMEOUT);

    The first 3 arguments to select are value/return - on input you give a bitmask of the file descriptors you are interested in, on output only the bits corresponding "interesting" file descriptors are set. So it's likely that after the first call to select, all the bits were zeroed, and so for subsequent calls the arguments you passed in say that you're not interested in any file descriptors, so you never call any of your action functions. The solution is something