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Education Sampler 1992 [NeXTSTEP]
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emacs-15.0.3
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rmailout.el
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1990-07-19
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;; "RMAIL" mail reader for Emacs: output message to a file.
;; Copyright (C) 1985, 1987 Free Software Foundation, Inc.
;; This file is part of GNU Emacs.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY. No author or distributor
;; accepts responsibility to anyone for the consequences of using it
;; or for whether it serves any particular purpose or works at all,
;; unless he says so in writing. Refer to the GNU Emacs General Public
;; License for full details.
;; Everyone is granted permission to copy, modify and redistribute
;; GNU Emacs, but only under the conditions described in the
;; GNU Emacs General Public License. A copy of this license is
;; supposed to have been given to you along with GNU Emacs so you
;; can know your rights and responsibilities. It should be in a
;; file named COPYING. Among other things, the copyright notice
;; and this notice must be preserved on all copies.
;; Temporary until Emacs always has this variable.
(defvar rmail-delete-after-output nil
"*Non-nil means automatically delete a message that is copied to a file.")
(defun rmail-output-to-rmail-file (file-name)
"Append the current message to an Rmail file named FILE-NAME.
If the file does not exist, ask if it should be created.
If file is being visited, the message is appended to the Emacs
buffer visiting that file."
(interactive (list (read-file-name
(concat "Output message to Rmail file: (default "
(file-name-nondirectory rmail-last-rmail-file)
") ")
(file-name-directory rmail-last-rmail-file)
rmail-last-rmail-file)))
(setq file-name (expand-file-name file-name))
(setq rmail-last-rmail-file file-name)
(rmail-maybe-set-message-counters)
(or (get-file-buffer file-name)
(file-exists-p file-name)
(if (yes-or-no-p
(concat "\"" file-name "\" does not exist, create it? "))
(let ((file-buffer (create-file-buffer file-name)))
(save-excursion
(set-buffer file-buffer)
(rmail-insert-rmail-file-header)
(let ((require-final-newline nil))
(write-region (point-min) (point-max) file-name t 1)))
(kill-buffer file-buffer))
(error "Output file does not exist")))
(save-restriction
(widen)
;; Decide whether to append to a file or to an Emacs buffer.
(save-excursion
(let ((buf (get-file-buffer file-name))
(cur (current-buffer))
(beg (1+ (rmail-msgbeg rmail-current-message)))
(end (1+ (rmail-msgend rmail-current-message))))
(if (not buf)
(append-to-file beg end file-name)
(if (eq buf (current-buffer))
(error "Can't output message to same file it's already in"))
;; File has been visited, in buffer BUF.
(set-buffer buf)
(let ((buffer-read-only nil)
(msg (and (boundp 'rmail-current-message)
rmail-current-message)))
;; If MSG is non-nil, buffer is in RMAIL mode.
(if msg
(progn (rmail-maybe-set-message-counters)
(widen)
(narrow-to-region (point-max) (point-max))))
(insert-buffer-substring cur beg end)
(if msg
(progn
(goto-char (point-min))
(widen)
(search-backward "\^_")
(narrow-to-region (point) (point-max))
(goto-char (1+ (point-min)))
(rmail-count-new-messages t)
(rmail-show-message msg))))))))
(rmail-set-attribute "filed" t)
(and rmail-delete-after-output (rmail-delete-forward)))
(defun rmail-output (file-name)
"Append this message to Unix mail file named FILE-NAME."
(interactive
(list
(read-file-name
(concat "Output message to Unix mail file"
(if rmail-last-file
(concat " (default "
(file-name-nondirectory rmail-last-file)
"): " )
": "))
(and rmail-last-file (file-name-directory rmail-last-file))
rmail-last-file)))
(setq file-name (expand-file-name file-name))
(setq rmail-last-file file-name)
(let ((rmailbuf (current-buffer))
(tembuf (get-buffer-create " rmail-output"))
(case-fold-search t))
(save-excursion
(set-buffer tembuf)
(erase-buffer)
(insert-buffer-substring rmailbuf)
(insert "\n")
(goto-char (point-min))
(insert "From "
(or (mail-strip-quoted-names (mail-fetch-field "from"))
"unknown")
" " (current-time-string) "\n")
;; ``Quote'' "\nFrom " as "\n>From "
;; (note that this isn't really quoting, as there is no requirement
;; that "\n[>]+From " be quoted in the same transparent way.)
(while (search-forward "\nFrom " nil t)
(forward-char -5)
(insert ?>))
(append-to-file (point-min) (point-max) file-name))
(kill-buffer tembuf))
(if (equal major-mode 'rmail-mode)
(progn
(rmail-set-attribute "filed" t)
(and rmail-delete-after-output (rmail-delete-forward)))))