Working with Unicode in Ruby

ruby的irb中要顯示中文
輸入
irb> $KCODE = 'u'
就可以了

其它處理utf8字串的有
irb> require 'jcode'
irb> require 'rubygems'
irb> require 'unicode'

詳細參考 http://ideaharbor.org/notes/technical/working-with-unicode-in-ruby