Friendly coding competition - ranges, palindromes etc

range_palindrome.rb

#!/usr/bin/env ruby
class Runner
  attr_accessor :min, :max, :sum

  def initialize(min, max)
    @sum = 0
    @min, @max = min, max
  end

  def run
    current = @min + (@min.odd? ? 0 : 1)
    while current <= @max
      string = current.to_s
      if string == string.reverse
        string_b = current.to_s(2)
        if string_b == string_b.reverse
          # puts current
          @sum += current
        end
      end
      current += 2
    end
    puts @sum
  end
end

# t1 = Time.now
Runner.new(*ARGV.first.split(/\.+/).map(&:to_i)).run
# puts "Time spent: #{(Time.now - t1).round(2)} s."