in reply to Overriding the built-in require function

Wrap your substitution in a BEGIN block, then it works: 
BEGIN {
    *CORE::GLOBAL::require = sub {
        CORE::require($_[0]);
        print $_[0], "\n";
    };
}

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Re^2: Overriding the built-in require function
by /dev/urandom (Beadle) on Feb 04, 2008 at 19:59 UTC
    excellent. that indeed seemed to work. thank you very much.
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