My two cents... 
my $max = ($#foo > $#bar) ? $#foo : $#bar;
# or we can assert they have the same size?

@foobar = map { $foo[$_] + $bar[$_] } (0..$max);

[download]
Or you could wait Perl 6 :)

In reply to Re: Summing the elements of multiple arrays into a new array by larsen
in thread Summing the elements of multiple arrays into a new array by djw

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