使用gets接受用户输入时,按箭头键可将文本输出到屏幕,大概是字符代码.如何防止这种情况发生,进一步如何让箭头键正确移动光标? irb(main):001:0 foo = gets^[[A^[[D^[[B^[[C = "\e[A\e[D\e[B\e[C\n" 编
irb(main):001:0> foo = gets ^[[A^[[D^[[B^[[C => "\e[A\e[D\e[B\e[C\n"
编辑:也许我应该提到我正在使用Mac OS X和Terminal.app.
Using Ruby’s Readline Library:require 'readline' foo = Readline::readline