I am not quite sure that @_ is so bad ... 
sub _split{
    @_ == 1 and $#_++;
    [@_[0..@_/2-1]], 
    [@_[@_/2..@_-1]]
}

__STDOUT__
<><>
<1><>
<1><2>
<1><2 3>
<1 2><3 4>
<1 2><3 4 5>

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In reply to Re^6: split an array in two by sh1tn
in thread split an array in two by water

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