In your specific case, I would use something like Date::Calc
to handle the uglies. Or, you could write a function that wraps that. :-)
As for the coolness factors ... you could use mapcar -- map for more than one list. That way, you might end up with something like:
my ($dd, $mm, $yyyy) =
$_-> + $_->
[0, 1, 1900],
Of course, you now have to explain how mapcar works and ... well, maybe it's too cool. :-)
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