Emacsでrfcを読む
ちょっと便利よ。
;; rfc (defvar my-rfc-directory "~/Documents/rfc" "The directory rfc documents are saved") (defun rfc (n) "Open the rfc document. If the specified document doesn't exist, Download it from internet." (interactive "nNo.: ") (let* ((dir my-rfc-directory) (file (format "%s/rfc%d.txt" dir n))) (if (not (file-exists-p dir)) (mkdir dir)) (cond ((file-exists-p file) nil) (t (shell-command (format "wget -O %s/rfc%d.txt http://tools.ietf.org/rfc/rfc%d.txt" dir n n)))) (find-file-read-only file)))