我收到以下错误:
$script/console
Loading development environment (Rails 2.2.2)
/opt/ruby-enterprise-1.8.6-20080709/lib/ruby/1.8/irb/completion.rb:10:in `require': no such file to load -- readline (LoadError)
我在哪里可以获取该文件以及它应该进入哪个目录？
谢谢!