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geoff (2013)

  reversethis-{gro ... om} {ta} {ffoeg}

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Journal of geoff (2013)

Tuesday August 31, 2004
03:18 PM

overriding core functions

[ #20660 ]
I spent some time today trying to override perl's time() function for some tests. after a few iterations in solitary that didn't quite cut it, I stumbled upon this list discussion. and so, after far too much independent work, 5 minutes of google yielded

  *CORE::GLOBAL::time = sub { CORE::time };

  no warnings qw(redefine);

  local *CORE::GLOBAL::time = sub { $time };

while I got the BEGIN part on my own, the trick I was missing in my own hacking was to reassign CORE::GLOBAL::time() to itself so that it would continue to function until my local overrides went into effect.

I imagine that most test-driven people already know this, but just in case I wasn't the only person sleeping in class I thought I'd post it here.

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