rails-modeをインストール

$ sudo su
# cd /usr/local/src
# wget http://rubyforge.org/frs/download.php/16948/emacs-rails-0.5.3.tar.gz
# tar -zxvf emacs-rails-0.5.3.tar.gz
# mv emacs-rails /usr/local/share/emacs/site-list/rails
# wget http://www.webweavertech.com/ovidiu/emacs/find-recursive.txt
# cp find-recursive.txt /usr/local/share/emacs/site-lisp/find-recursive.el
# wget http://www.kazmier.com/computer/snippet.el
# cp snippet.el /usr/local/share/emacs/site-lisp
# ln -s /usr/share/emacs-snapshot/site-lisp/subdirs.el /usr/local/share/emacs/site-lisp/subdirs.el
# exit
$ emacs ~/.emacs
;;rails-mode                                                                    
(setq auto-mode-alist  (cons '("\\.rhtml$" . ruby-mode) auto-mode-alist))
(require 'rails)
(define-key rails-minor-mode-map "\C-c\C-p" 'rails-lib:run-primary-switch)
(define-key rails-minor-mode-map "\C-c\C-n" 'rails-lib:run-secondary-switch)
(defun try-complete-abbrev (old)
  (if (expand-abbrev) t nil))
(setq hippie-expand-try-functions-list
      '(try-complete-abbrev
        try-complete-file-name
        try-expand-dabbrev))