bieber_map.rb

#!/usr/bin/ruby
#!/usr/bin/gem

require 'rubygems'
require 'crack'

ARGF.each do |line|
  tweet = line.strip
  
  unless tweet.length == 0
    begin
      parsed = Crack::JSON.parse(tweet)
      if parsed['text'].downcase.include?('love')
        puts 'love'
      end
    rescue
      # couldn't parse tweet
    end
  end    
end