while (length($num) > 1) {
        my $sum = 0;
        map { $sum += $_ } split '', $num;
        $num = $sum;
    }

[download]
Ugh. Void Map. Ugh. How about this instead: 
1 while $num =~ s/(\d)(\d)/$1 + $2/e;

[download]

-- Randal L. Schwartz, Perl hacker

In reply to Re^4: Golf Challenge: FizzBuzz by merlyn
in thread Golf Challenge: FizzBuzz by Ovid

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