I'm assuming all your dates are in YYYY-MM-DD format (or any other consistent format that allows for easy comparing). In that case, you could use: 
my $max_date = $dates[0];
foreach $date (@dates[1..$#dates]) {
    $max_date = $date if $date gt $max_date;
}

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In reply to Re: Max date from set of dates by JavaFan
in thread Max date from set of dates by Anonymous Monk

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