1. I don't know of any way to cause a hash key to be created by use of an "if" test. 
if ($hash{foo} = 42) {
  print "The answer to life, the universe, and everything is contained
+ within foo!\n";
}

[download]
So the answer to life, the universe, and everything is simply a common error.

In reply to Re^2: Best Hash Practices? by gloryhack
in thread Best Hash Practices? by DamianKaelGreen

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