以下に従ってインストール
http://www.rubyist.net/~rubikitch/computer/irbsh/#label:8
rubyとinf-ruby-modeはruby1.8-elispパッケージに含まれているようなので以下で導入
apt-get install ruby1.8-elisp
設定
http://www.bookshelf.jp/soft/meadow_41.html#SEC603
(autoload 'ruby-mode "ruby-mode"
"Mode for editing ruby source files" t)
(setq auto-mode-alist
(append '(("\\.rb$" . ruby-mode)) auto-mode-alist))
(setq interpreter-mode-alist (append '(("ruby" . ruby-mode))
interpreter-mode-alist))http://tomikura.s2.xrea.com/linux/install/ruby.html
(autoload 'run-ruby "inf-ruby"
"Run an inferior Ruby process")
(autoload 'inf-ruby-keys "inf-ruby"
"set local key defs for inf-ruby in ruby-mode")
(add-hook 'ruby-mode-hook
'(lambda ()
(inf-ruby-keys)
))
wget http://www.rubyist.net/~rubikitch/archive/irbsh-0.9.3.tar.gz
展開して以下は手順準拠
$ ruby setup.rb config
$ ruby setup.rb setup
# ruby setup.rb install
.irbrc
(load "irbsh")
