gistfile1.rb

    require 'rubygems'  
    require 'tweetstream' 
    require 'pp'
    require 'json'

    a = {:name => 'Olly', :total => 0, :previous => 0, :speed => 0}
    b = {:name => 'Joe', :total => 0, :previous => 0, :speed => 0}

    start_time = Time.now.to_i
    end_time = Time.now.to_i
    TweetStream::Client.new(ENV['TW_USER'],ENV['TW_PASS']).track(a[:name], b[:name]) do |status|  
      current_time = Time.now.to_i
      if current_time > start_time + 1
        end_time = start_time
        start_time = current_time
        a[:speed] = a[:total] - a[:previous]
        b[:speed] = b[:total] - b[:previous]
        end_time = start_time
        start_time = current_time
        b[:previous] = b[:total]
        a[:previous] = a[:total]
      end
      if (status[:text].match(/#{a[:name]}/i) || status[:text].match(/#{b[:name]}/i) ) && status[:text].match(/win/i)
        a[:total] = a[:total] + 1 if status[:text].match(/#{a[:name]}/i)
        b[:total] = b[:total] + 1 if status[:text].match(/#{b[:name]}/i)
        a[:ratio] = a[:total].to_f / (a[:total] + b[:total]) * 100
        b[:ratio] = b[:total].to_f / (a[:total] + b[:total]) * 100
        result = JSON.generate([{:text => status[:text], :a => a, :b => b, :created_at => status[:created_at], :id => status[:id], :current_time => current_time }])
        p result
      end
    end