my $t = 0;
grep { $t^=1 } LIST

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... That said, I'm totally using it the next time I play golf.
No. In golf, the --$| magical flip-flop is shorter. For example: 
grep--$|,LIST

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In reply to Re^2: Mini-Tutorial: Working with Odd/Even Elements by eyepopslikeamosquito
in thread Mini-Tutorial: Working with Odd/Even Elements by ikegami

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