かっこいいアイデア。これが私にとってうまくいくスタートです:で数行を変更する必要がありdired-compress-file
ます。変更点BEGIN EDIT
とEND EDIT
コメントを強調表示しました(差分を強調表示するためのより良い方法がある場合は申し訳ありません)。これは堅牢ではないと確信していますが、おそらく正しい方向に向けることができます。
編集:GNUEmacs24.3.1では以下が機能します。
(defun dired-compress-file (file)
;; Compress or uncompress FILE.
;; Return the name of the compressed or uncompressed file.
;; Return nil if no change in files.
(let ((handler (find-file-name-handler file 'dired-compress-file))
suffix newname
(suffixes dired-compress-file-suffixes))
;; See if any suffix rule matches this file name.
(while suffixes
(let (case-fold-search)
(if (string-match (car (car suffixes)) file)
(setq suffix (car suffixes) suffixes nil))
(setq suffixes (cdr suffixes))))
;; If so, compute desired new name.
(if suffix
(setq newname (concat (substring file 0 (match-beginning 0))
(nth 1 suffix))))
(cond (handler
(funcall handler 'dired-compress-file file))
((file-symlink-p file)
nil)
((and suffix (nth 2 suffix))
;; We found an uncompression rule.
(if (not (dired-check-process (concat "Uncompressing " file)
(nth 2 suffix) file))
newname))
(t
;;; We don't recognize the file as compressed, so compress it.
;;; Try gzip; if we don't have that, use compress.
(condition-case nil
;; BEGIN EDIT - choose the correct name if looking at a directory
(let ((out-name (if (file-directory-p file) (concat file ".tar.gz") (concat file ".gz"))))
;; END EDIT
(and (or (not (file-exists-p out-name))
(y-or-n-p
(format "File %s already exists. Really compress? "
out-name)))
;; BEGIN EDIT: create a tarball if we're looking at a directory
(not (if (file-directory-p file)
(dired-check-process (concat "Compressing " file)
"tar" "-zcf" out-name file)
(dired-check-process (concat "Compressing " file)
"gzip" "-f" file)))
;; END EDIT
(or (file-exists-p out-name)
(setq out-name (concat file ".z")))
;; Rename the compressed file to NEWNAME
;; if it hasn't got that name already.
(if (and newname (not (equal newname out-name)))
(progn
(rename-file out-name newname t)
newname)
out-name)))
(file-error
(if (not (dired-check-process (concat "Compressing " file)
"compress" "-f" file))
;; Don't use NEWNAME with `compress'.
(concat file ".Z"))))))))