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Boolean (Score:2)
That's perl's new built-in boolean type. The pumpkings have been slipping in Perl 6 features when you weren't looking. :)
I think what happens is you decrement 0 to get -1, but $| only stores the truth or falsehood of its value, so it stores and outputs 1.
Neat!
On another note, I like how everyone in this thread is actually using -w for a one liner. :)
J. David works really hard, has a passion for writing good software, and knows many of the world's best Perl programmers
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