gistfile1.rb

@data = open("gettysburg.txt").read

@longest_palindrome = ""

@position = 0

def regex
  /#{@data[@position, @longest_palindrome.length + 1].reverse}/
end

while (@position + @longest_palindrome.length + 1) < @data.length
  while match = @data.match(regex)
    @longest_palindrome = match[0].reverse
    puts @longest_palindrome
  end

  @position += 1
end