for my $index (0..9){
    $t[$_] += $data[$index][$_] for 0 .. 4;
}

[download]

Update: fixed sigil for t (was @)

DWIM is Perl's answer to Gödel

In reply to Re: scoping/localizing of $_ by GrandFather
in thread scoping/localizing of $_ by mojodaddy

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