Usage:

irb(main):001:0> require 'rubygems'
=> true
irb(main):002:0> require 'UniversalDetector'
=> false
irb(main):003:0> p UniversalDetector::chardet('hello')
{"encoding"=>"ascii", "confidence"=>1.0}
=> nil


- Hui (zhengzhengzheng@gmail.com)