Find longest palindromes

palindrome.rb

def find_longest_palindromes
    words = File.open('/usr/share/dict/words').read


    longest_words = []

    words.each_line do |line|
        word = line.strip

        if word == word.reverse
            if longest_words.empty? || longest_words.first.length < word.length
                longest_words = [word]
            elsif longest_words.first.length == word.length
                longest_words << word
            end
        end
    end

    longest_words
end