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rmail / unrmail.el

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;;; unrmail.el --- convert Rmail files to mailbox files.

;;; Copyright (C) 1992 Free Software Foundation, Inc.

;; Keywords: mail

;; This file is part of XEmacs.

;; XEmacs is free software; you can redistribute it and/or modify it
;; under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.

;; XEmacs is distributed in the hope that it will be useful, but
;; WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
;; General Public License for more details.

;; You should have received a copy of the GNU General Public License
;; along with XEmacs; see the file COPYING.  If not, write to the 
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.

;;; Code:

(defvar command-line-args-left)	;Avoid 'free variable' warning

;;;###autoload
(defun batch-unrmail ()
  "Convert Rmail files to mailbox files.
Specify the input Rmail file names as command line arguments.
For each Rmail file, the corresponding output file name
is made by adding `.mail' at the end.
For example, invoke `emacs -batch -f batch-unrmail RMAIL'."
  ;; command-line-args-left is what is left of the command line (from startup.el)
  (if (not noninteractive)
      (error "`batch-unrmail' is to be used only with -batch"))
  (let ((error nil))
    (while command-line-args-left
      (or (unrmail (car command-line-args-left)
		   (concat (car command-line-args-left) ".mail"))
	  (setq error t))
      (setq command-line-args-left (cdr command-line-args-left)))
    (message "Done")
    (kill-emacs (if error 1 0))))

;;;###autoload
(defun unrmail (file to-file)
  "Convert Rmail file FILE to mailbox-format file TO-FILE."
  (interactive "fUnrmail (rmail file): \nFUnrmail into (new mailbox file): ")
  (let ((message-count 0)
	(rmail-delete-after-output nil))
    (rmail file)
    (message "Writing messages to %s..." to-file)
    (while (< message-count rmail-total-messages)
      (rmail-show-message
       (setq message-count (1+ message-count)))
      (rmail-output to-file 1 t))
    (message "Writing messages to %s...done" to-file)))

;;; unrmail.el ends here