following数を取る
ruby -rubygems -e 'require "nokogiri"; require "open-uri"; require "kconv"; puts Nokogiri(open("http://twitter.com/shokai").read.toutf8).xpath("//span[@id=\"following_count\"]/text()").to_s'
ruby -rubygems -e 'require "nokogiri"; require "open-uri"; require "kconv"; puts Nokogiri(open("http://twitter.com/shokai").read.toutf8).xpath("//span[@id=\"following_count\"]/text()").to_s'