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sub _{@_<2&&return print@_;my@a;push@{$a[--$|]},$_ for
@_;_(@$_)for@a};_ split//,"huroP cels,tetah Jen akrr";
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Just another Perl hacker,
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perl -le 'print --$| for 1..5'
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1
0
1
0
1
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perl -le 'print ++$| for 1..5'
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1
1
1
1
1