For a non-destructive method that leaves the original array intact (we use a modulus flip-flop): 

for my $i ( 0 .. $#in ) {
    $i % 2 ? push @out2, $in[$i] : push @out1, $in[$i];
}

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In reply to Re: How can I skip an element in an array whilst reading... by tachyon
in thread How can I skip an element in an array whilst reading... by Blanco

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