require 'rinda/rinda'
 require 'delicious'
 TS_URI = 'druby://localhost:12345'
 USER = 'masui'
 ts = DRbObject.new(nil,TS_URI) # タプル空間に接続
 while true
 　ts.write(['weight',$$,""])　 # 体重値タプル取得
 　val = ts.take(['weight',$$,Float])[2]
 　register(USER) if val > 4.0
 end