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(pmail-output-decode-coding): New variable.

(pmail-delete-unwanted-fields): Greatly simplified.
(pmail-output-as-babyl): New function.
(pmail-convert-to-babyl-format): Considerably simplified:
assume just one message and don't worry about Content-Type.
(pmail-output-as-mbox): New function.
(pmail-output): Total rewrite.
(pmail-output-as-seen): New command.
(pmail-output-read-pmail-file-name): Function deleted.
(pmail-output-to-babyl-file): Function deleted.
(pmail-output-body-to-file): Don't set an attribute.
This commit is contained in:
Richard M. Stallman 2008-12-29 19:12:22 +00:00
parent e3021fe7db
commit 5921f0a48c

View file

@ -28,6 +28,13 @@
(require 'pmail)
(provide 'pmailout)
;;;###autoload
(defcustom pmail-output-decode-coding nil
"*If non-nil, do coding system decoding when outputting message as Babyl."
:type '(choice (const :tag "on" t)
(const :tag "off" nil))
:group 'pmail)
;;;###autoload
(defcustom pmail-output-file-alist nil
"*Alist matching regexps to suggested output Pmail files.
@ -42,39 +49,6 @@ a file name as a string."
sexp)))
:group 'pmail-output)
(defun pmail-output-read-pmail-file-name ()
"Read the file name to use for `pmail-output-to-babyl-file'.
Set `pmail-default-pmail-file' to this name as well as returning it."
(let ((default-file
(let (answer tail)
(setq tail pmail-output-file-alist)
;; Suggest a file based on a pattern match.
(while (and tail (not answer))
(save-excursion
(set-buffer pmail-buffer)
(goto-char (point-min))
(if (re-search-forward (car (car tail)) nil t)
(setq answer (eval (cdr (car tail)))))
(setq tail (cdr tail))))
;; If no suggestions, use same file as last time.
(expand-file-name (or answer pmail-default-pmail-file)))))
(let ((read-file
(expand-file-name
(read-file-name
(concat "Output message to Pmail file (default "
(file-name-nondirectory default-file)
"): ")
(file-name-directory default-file)
(abbreviate-file-name default-file))
(file-name-directory default-file))))
;; If the user enters just a directory,
;; use the name within that directory chosen by the default.
(setq pmail-default-pmail-file
(if (file-directory-p read-file)
(expand-file-name (file-name-nondirectory default-file)
read-file)
read-file)))))
(defun pmail-output-read-file-name ()
"Read the file name to use for `pmail-output'.
Set `pmail-default-file' to this name as well as returning it."
@ -93,7 +67,7 @@ Set `pmail-default-file' to this name as well as returning it."
(let ((read-file
(expand-file-name
(read-file-name
(concat "Output message to Unix mail file (default "
(concat "Output message to mail file (default "
(file-name-nondirectory default-file)
"): ")
(file-name-directory default-file)
@ -107,244 +81,137 @@ Set `pmail-default-file' to this name as well as returning it."
(or read-file (file-name-nondirectory default-file))
(file-name-directory default-file)))))))
(declare-function pmail-update-summary "pmailsum" (&rest ignore))
;;; There are functions elsewhere in Emacs that use this function;
;;; look at them before you change the calling method.
;;;###autoload
(defun pmail-output-to-babyl-file (file-name &optional count stay)
"Append the current message to a Babyl 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.
If the file exists and is not a Babyl file, the message is
appended in inbox format, the same way `pmail-output' does it.
(defcustom pmail-fields-not-to-output nil
"*Regexp describing fields to exclude when outputting a message to a file."
:type '(choice (const :tag "None" nil)
regexp)
:group 'pmail-output)
The default file name comes from `pmail-default-pmail-file',
which is updated to the name you use in this command.
;; Delete from the buffer header fields we don't want output.
;; Buffer should be pre-narrowed to the header.
;; PRESERVE is a regexp for fields NEVER to delete.
(defun pmail-delete-unwanted-fields (preserve)
(if pmail-fields-not-to-output
(save-excursion
(goto-char (point-min))
(while (re-search-forward pmail-fields-not-to-output nil t)
(beginning-of-line)
(unless (looking-at preserve)
(delete-region (point)
(progn (forward-line 1) (point))))))))
(defun pmail-output-as-babyl (file-name nomsg)
"Convert the current buffer's text to Babyl and output to FILE-NAME.
It alters the current buffer's text, so it should be a temp buffer."
(let ((coding-system-for-write
'emacs-mule-unix))
(save-restriction
(goto-char (point-min))
(search-forward "\n\n" nil 'move)
(narrow-to-region (point-min) (point))
(if pmail-fields-not-to-output
(pmail-delete-unwanted-fields nil)))
A prefix argument COUNT says to output that many consecutive messages,
starting with the current one. Deleted messages are skipped and don't count.
If the optional argument STAY is non-nil, then leave the last filed
message up instead of moving forward to the next non-deleted message."
(interactive
(list (pmail-output-read-pmail-file-name)
(prefix-numeric-value current-prefix-arg)))
(or count (setq count 1))
(setq file-name
(expand-file-name file-name
(file-name-directory pmail-default-pmail-file)))
(if (and (file-readable-p file-name) (not (mail-file-babyl-p file-name)))
(pmail-output file-name count)
(pmail-maybe-set-message-counters)
(setq file-name (abbreviate-file-name file-name))
(or (find-buffer-visiting 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)
(let ((buffer-read-only nil))
(insert "BABYL OPTIONS: -*- pmail -*-
Version: 5
Labels:
Note: This is the header of an pmail file.
Note: If you are seeing it in pmail,
Note: it means the file has no messages in it.\n\^_"))
(let ((require-final-newline nil)
(coding-system-for-write
(or pmail-file-coding-system
'emacs-mule-unix)))
(write-region (point-min) (point-max) file-name t 1)))
(kill-buffer file-buffer))
(error "Output file does not exist")))
(while (> count 0)
(let (redelete)
(unwind-protect
(progn
(set-buffer pmail-buffer)
;; Temporarily turn off Deleted attribute.
;; Do this outside the save-restriction, since it would
;; shift the place in the buffer where the visible text starts.
(if (pmail-message-deleted-p pmail-current-message)
(progn (setq redelete t)
(pmail-set-attribute pmail-deleted-attr-index nil)))
(let ((coding-system-for-write
(or pmail-file-coding-system
'emacs-mule-unix))
cur beg end)
(pmail-swap-buffers-maybe)
(setq cur (current-buffer))
(save-restriction
(save-excursion
(widen)
(setq beg (pmail-msgbeg pmail-current-message)
end (pmail-msgend pmail-current-message))
;; Output to a file.
(set-buffer (get-buffer-create " pmail-out-temp"))
(insert-buffer-substring cur beg end)
(if pmail-fields-not-to-output
(pmail-delete-unwanted-fields))
;; Convert to Babyl format.
(pmail-convert-to-babyl-format)
(append-to-file (point-min) (point-max) file-name)
(set-buffer cur)
(kill-buffer (get-buffer " pmail-out-temp")))))
(pmail-set-attribute pmail-filed-attr-index t))
(if redelete (pmail-set-attribute pmail-deleted-attr-index t))))
(setq count (1- count))
(if pmail-delete-after-output
(unless (if (and (= count 0) stay)
(pmail-delete-message)
(pmail-delete-forward))
(setq count 0))
(if (> count 0)
(unless (if (not stay)
(pmail-next-undeleted-message 1))
(setq count 0))))))
(pmail-show-message))
(defalias 'pmail-output-to-pmail-file 'pmail-output-to-babyl-file)
;; Convert to Babyl format.
(pmail-convert-to-babyl-format)
;; Write it into the file.
(write-region (point-min) (point-max) file-name t nomsg)))
(defun pmail-convert-to-babyl-format ()
(let ((count 0) start
(let ((count 0) (start (point-min))
(case-fold-search nil)
(buffer-undo-list t))
(goto-char (point-min))
(save-restriction
(while (not (eobp))
(setq start (point))
(unless (looking-at "^From ")
(error "Invalid mbox message"))
(insert "\^L\n0, unseen,,\n*** EOOH ***\n")
(pmail-nuke-pinhead-header)
;; If this message has a Content-Length field,
;; skip to the end of the contents.
(let* ((header-end (save-excursion
(and (re-search-forward "\n\n" nil t)
(1- (point)))))
(case-fold-search t)
(quoted-printable-header-field-end
(save-excursion
(re-search-forward
"^content-transfer-encoding:\\(\n?[\t ]\\)*quoted-printable\\(\n?[\t ]\\)*"
header-end t)))
(base64-header-field-end
(and
;; Don't decode non-text data.
(save-excursion
(re-search-forward
"^content-type:\\(\n?[\t ]\\)\\(text\\|message\\)/"
header-end t))
(save-excursion
(re-search-forward
"^content-transfer-encoding:\\(\n?[\t ]\\)*base64\\(\n?[\t ]\\)*"
header-end t))))
(size
;; Get the numeric value from the Content-Length field.
(save-excursion
;; Back up to end of prev line,
;; in case the Content-Length field comes first.
(forward-char -1)
(and (search-forward "\ncontent-length: "
header-end t)
(let ((beg (point))
(eol (progn (end-of-line) (point))))
(string-to-number (buffer-substring beg eol)))))))
(and size
(if (and (natnump size)
(<= (+ header-end size) (point-max))
;; Make sure this would put us at a position
;; that we could continue from.
(save-excursion
(goto-char (+ header-end size))
(skip-chars-forward "\n")
(or (eobp)
(and (looking-at "BABYL OPTIONS:")
(search-forward "\n\^_" nil t))
(and (looking-at "\^L")
(search-forward "\n\^_" nil t))
(let ((case-fold-search t))
(looking-at pmail-mmdf-delim1))
(looking-at "From "))))
(goto-char (+ header-end size))
(message "Ignoring invalid Content-Length field")
(sit-for 1 0 t)))
(if (let ((case-fold-search nil))
(unless (looking-at "^From ")
(error "Invalid mbox message"))
(insert "\^L\n0, unseen,,\n*** EOOH ***\n")
(pmail-nuke-pinhead-header)
;; Decode base64 or quoted printable contents, Rmail style.
(let* ((header-end (save-excursion
(and (re-search-forward "\n\n" nil t)
(1- (point)))))
(case-fold-search t)
(quoted-printable-header-field-end
(save-excursion
(re-search-forward
(concat "^[\^_]?\\("
pmail-unix-mail-delimiter
"\\|"
pmail-mmdf-delim1 "\\|"
"^BABYL OPTIONS:\\|"
"\^L\n[01],\\)") nil t))
(goto-char (match-beginning 1))
(goto-char (point-max)))
(setq count (1+ count))
(if quoted-printable-header-field-end
(save-excursion
(unless (mail-unquote-printable-region
header-end (point) nil t t)
(message "Malformed MIME quoted-printable message"))
;; Change "quoted-printable" to "8bit",
;; to reflect the decoding we just did.
(goto-char quoted-printable-header-field-end)
"^content-transfer-encoding:\\(\n?[\t ]\\)*quoted-printable\\(\n?[\t ]\\)*"
header-end t)))
(base64-header-field-end
(and
;; Don't decode non-text data.
(save-excursion
(re-search-forward
"^content-type:\\(\n?[\t ]\\)\\(text\\|message\\)/"
header-end t))
(save-excursion
(re-search-forward
"^content-transfer-encoding:\\(\n?[\t ]\\)*base64\\(\n?[\t ]\\)*"
header-end t)))))
(goto-char (point-max))
(if quoted-printable-header-field-end
(save-excursion
(unless (mail-unquote-printable-region
header-end (point) nil t t)
(message "Malformed MIME quoted-printable message"))
;; Change "quoted-printable" to "8bit",
;; to reflect the decoding we just did.
(goto-char quoted-printable-header-field-end)
(delete-region (point) (search-backward ":"))
(insert ": 8bit")))
(if base64-header-field-end
(save-excursion
(when (condition-case nil
(progn
(base64-decode-region
(1+ header-end)
(save-excursion
;; Prevent base64-decode-region
;; from removing newline characters.
(skip-chars-backward "\n\t ")
(point)))
t)
(error nil))
;; Change "base64" to "8bit", to reflect the
;; decoding we just did.
(goto-char base64-header-field-end)
(delete-region (point) (search-backward ":"))
(insert ": 8bit")))
(if base64-header-field-end
(save-excursion
(when (condition-case nil
(progn
(base64-decode-region
(1+ header-end)
(save-excursion
;; Prevent base64-decode-region
;; from removing newline characters.
(skip-chars-backward "\n\t ")
(point)))
t)
(error nil))
;; Change "base64" to "8bit", to reflect the
;; decoding we just did.
(goto-char base64-header-field-end)
(delete-region (point) (search-backward ":"))
(insert ": 8bit")))))
(save-excursion
(save-restriction
(narrow-to-region start (point))
(goto-char (point-min))
(while (search-forward "\n\^_" nil t) ; single char
(replace-match "\n^_")))) ; 2 chars: "^" and "_"
;; This is for malformed messages that don't end in newline.
;; There shouldn't be any, but some users say occasionally
;; there are some.
(or (bolp) (newline))
(insert ?\^_)
(setq last-coding-system-used nil)
(or pmail-enable-mime
(not pmail-enable-multibyte)
(let ((mime-charset
(if (and pmail-decode-mime-charset
(save-excursion
(goto-char start)
(search-forward "\n\n" nil t)
(let ((case-fold-search t))
(re-search-backward
pmail-mime-charset-pattern
start t))))
(intern (downcase (match-string 1))))))
(pmail-decode-region start (point) mime-charset)))
(save-excursion
(goto-char start)
(forward-line 3)
(insert "X-Coding-System: "
(symbol-name last-coding-system-used)
"\n"))
(narrow-to-region (point) (point-max))
(and (= 0 (% count 10))
(message "Converting to Babyl format...%d" count))))))
(insert ": 8bit")))))
;; Transform anything within the message text
;; that might appear to be the end of a Babyl-format message.
(save-excursion
(save-restriction
(narrow-to-region start (point))
(goto-char (point-min))
(while (search-forward "\n\^_" nil t) ; single char
(replace-match "\n^_")))) ; 2 chars: "^" and "_"
;; This is for malformed messages that don't end in newline.
;; There shouldn't be any, but some users say occasionally
;; there are some.
(or (bolp) (newline))
(insert ?\^_)
(setq last-coding-system-used nil)
;; Decode coding system, following specs in the message header,
;; and record what coding system was decoded.
(if pmail-output-decode-coding
(let ((mime-charset
(if (save-excursion
(goto-char start)
(search-forward "\n\n" nil t)
(let ((case-fold-search t))
(re-search-backward
pmail-mime-charset-pattern
start t)))
(intern (downcase (match-string 1))))))
(pmail-decode-region start (point) mime-charset)))
(save-excursion
(goto-char start)
(forward-line 3)
(insert "X-Coding-System: "
(symbol-name last-coding-system-used)
"\n")))))
;; Delete the "From ..." line, creating various other headers with
;; information from it if they don't already exist. Now puts the
@ -398,31 +265,54 @@ Note: it means the file has no messages in it.\n\^_"))
""
"From: \\1\n"))
t)))))))
(defun pmail-output-as-mbox (file-name nomsg)
"Convert the current buffer's text to mbox Babyl and output to FILE-NAME.
It alters the current buffer's text, so it should be a temp buffer."
(let ((case-fold-search t)
mail-from mime-version content-type)
;;;###autoload
(defcustom pmail-fields-not-to-output nil
"*Regexp describing fields to exclude when outputting a message to a file."
:type '(choice (const :tag "None" nil)
regexp)
:group 'pmail-output)
;; Preserve the Mail-From and MIME-Version fields
;; even if they have been pruned.
(search-forward "\n\n" nil 'move)
(narrow-to-region (point-min) (point))
;; Delete from the buffer header fields we don't want output.
;; NOT-PMAIL if t means this buffer does not have the full header
;; and *** EOOH *** that a message in an Pmail file has.
(defun pmail-delete-unwanted-fields (&optional not-pmail)
(if pmail-fields-not-to-output
(save-excursion
(goto-char (point-min))
;; Find the end of the header.
(if (and (or not-pmail (search-forward "\n*** EOOH ***\n" nil t))
(search-forward "\n\n" nil t))
(let ((end (point-marker)))
(goto-char (point-min))
(while (re-search-forward pmail-fields-not-to-output end t)
(beginning-of-line)
(delete-region (point)
(progn (forward-line 1) (point)))))))))
(pmail-delete-unwanted-fields
(if pmail-enable-mime "Mail-From"
"Mail-From\\|MIME-Version\\|Content-type"))
(widen)
;; Make sure message ends with blank line.
(goto-char (point-max))
(unless (bolp)
(insert "\n"))
(unless (looking-back "\n\n")
(insert "\n"))
;; Generate a From line from other header fields
;; if necessary.
(goto-char (point-min))
(unless (looking-at "From ")
(insert "From "
(mail-strip-quoted-names
(save-excursion
(save-restriction
(goto-char (point-min))
(narrow-to-region
(point)
(or (search-forward "\n\n" nil)
(point-max)))
(or (mail-fetch-field "from")
(mail-fetch-field "really-from")
(mail-fetch-field "sender")
"unknown"))))
" " (current-time-string) "\n"))
(let ((coding-system-for-write
'raw-text-unix))
(write-region (point-min) (point-max) file-name t nomsg))))
;;; There are functions elsewhere in Emacs that use this function;
;;; look at them before you change the calling method.
;;;###autoload
@ -430,11 +320,9 @@ Note: it means the file has no messages in it.\n\^_"))
"Append this message to system-inbox-format mail file named FILE-NAME.
A prefix argument COUNT says to output that many consecutive messages,
starting with the current one. Deleted messages are skipped and don't count.
When called from lisp code, COUNT may be omitted and defaults to 1.
When called from Lisp code, COUNT may be omitted and defaults to 1.
If the pruned message header is shown on the current message, then
messages will be appended with pruned headers; otherwise, messages
will be appended with their original headers.
This outputs the complete message header even the display is pruned.
The default file name comes from `pmail-default-file',
which is updated to the name you use in this command.
@ -451,104 +339,141 @@ The optional fourth argument FROM-GNUS is set when called from GNUS."
(expand-file-name file-name
(and pmail-default-file
(file-name-directory pmail-default-file))))
(if (and (file-readable-p file-name) (mail-file-babyl-p file-name))
(pmail-output-to-babyl-file file-name count)
(set-buffer pmail-buffer)
(let ((orig-count count)
(pmailbuf pmail-buffer)
(case-fold-search t)
(tembuf (get-buffer-create " pmail-output"))
header-beginning
mail-from mime-version content-type)
(while (> count 0)
;; Preserve the Mail-From and MIME-Version fields
;; even if they have been pruned.
(or from-gnus
(save-excursion
(save-restriction
(goto-char (if (pmail-buffers-swapped-p)
(point-min)
(pmail-msgbeg pmail-current-message)))
(setq header-beginning (point))
(search-forward "\n\n" nil 'move)
(narrow-to-region header-beginning (point))
(setq mail-from (mail-fetch-field "Mail-From"))
(unless pmail-enable-mime
(setq mime-version (mail-fetch-field "MIME-Version")
content-type (mail-fetch-field "Content-type"))))))
(save-excursion
(set-buffer tembuf)
(erase-buffer)
(insert-buffer-substring pmailbuf)
(save-excursion
(goto-char (min (point-min) (- (point-max) 2)))
(unless (looking-at "\n\n")
(goto-char (point-max))
(insert "\n\n")))
(when pmail-enable-mime
(goto-char (point-min))
(forward-line 2)
(delete-region (point-min) (point))
(search-forward "\n\n")
(delete-region (match-beginning 0)
(if (search-forward "\n\n")
(1- (match-end 0))))
(setq buffer-file-coding-system (or pmail-file-coding-system
'raw-text)))
(pmail-delete-unwanted-fields t)
(or (bolp) (insert "\n"))
(goto-char (point-min))
(if mail-from
(insert mail-from "\n")
(insert "From "
(mail-strip-quoted-names
(save-excursion
(save-restriction
(goto-char (point-min))
(narrow-to-region
(point)
(or (search-forward "\n\n" nil)
(point-max)))
(or (mail-fetch-field "from")
(mail-fetch-field "really-from")
(mail-fetch-field "sender")
"unknown"))))
" " (current-time-string) "\n"))
(when mime-version
(insert "MIME-Version: " mime-version)
;; Some malformed MIME messages set content-type to nil.
(when content-type
(insert "\nContent-type: " content-type "\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.)
(let ((case-fold-search nil))
(while (search-forward "\nFrom " nil t)
(forward-char -5)
(insert ?>)))
(write-region (point-min) (point-max) file-name t
(if noattribute 'nomsg)))
(or noattribute
(if (equal major-mode 'pmail-mode)
(pmail-set-attribute pmail-filed-attr-index t)))
(setq count (1- count))
(or from-gnus
(let ((next-message-p
(if pmail-delete-after-output
(pmail-delete-forward)
(if (> count 0)
(pmail-next-undeleted-message 1))))
(num-appended (- orig-count count)))
(if (and (> count 0) (not next-message-p))
(progn
(error "%s"
(save-excursion
(set-buffer pmailbuf)
(format "Only %d message%s appended" num-appended
(if (= num-appended 1) "" "s"))))
(setq count 0))))))
(set-buffer pmail-buffer)
;; Warn about creating new file.
(or (find-buffer-visiting file-name)
(file-exists-p file-name)
(yes-or-no-p
(concat "\"" file-name "\" does not exist, create it? "))
(error "Output file does not exist"))
(let ((orig-count count)
(case-fold-search t)
(tembuf (get-buffer-create " pmail-output"))
(babyl-format
(and (file-readable-p file-name) (mail-file-babyl-p file-name))))
(unwind-protect
(while (> count 0)
(with-current-buffer pmail-buffer
(let (cur beg end)
(setq beg (pmail-msgbeg pmail-current-message)
end (pmail-msgend pmail-current-message))
;; All access to the buffer's local variables is now finished...
(save-excursion
;; ... so it is ok to go to a different buffer.
(if (pmail-buffers-swapped-p) (set-buffer pmail-view-buffer))
(setq cur (current-buffer))
(save-restriction
(widen)
(with-current-buffer tembuf
(insert-buffer-substring cur beg end)
;; Convert the text to one format or another and output.
(if babyl-format
(pmail-output-as-babyl file-name (if noattribute 'nomsg))
(pmail-output-as-mbox file-name
(if noattribute 'nomsg))))))))
;; Mark message as "filed".
(unless noattribute
(pmail-set-attribute pmail-filed-attr-index t))
(setq count (1- count))
(or from-gnus
(let ((next-message-p
(if pmail-delete-after-output
(pmail-delete-forward)
(if (> count 0)
(pmail-next-undeleted-message 1))))
(num-appended (- orig-count count)))
(if (and (> count 0) (not next-message-p))
(error "Only %d message%s appended" num-appended
(if (= num-appended 1) "" "s"))))))
(kill-buffer tembuf))))
(defun pmail-output-as-seen (file-name &optional count noattribute from-gnus)
"Append this message to system-inbox-format mail file named FILE-NAME.
A prefix argument COUNT says to output that many consecutive messages,
starting with the current one. Deleted messages are skipped and don't count.
When called from Lisp code, COUNT may be omitted and defaults to 1.
This outputs the message header as you see it.
The default file name comes from `pmail-default-file',
which is updated to the name you use in this command.
The optional third argument NOATTRIBUTE, if non-nil, says not
to set the `filed' attribute, and not to display a message.
The optional fourth argument FROM-GNUS is set when called from GNUS."
(interactive
(list (pmail-output-read-file-name)
(prefix-numeric-value current-prefix-arg)))
(or count (setq count 1))
(setq file-name
(expand-file-name file-name
(and pmail-default-file
(file-name-directory pmail-default-file))))
(set-buffer pmail-buffer)
;; Warn about creating new file.
(or (find-buffer-visiting file-name)
(file-exists-p file-name)
(yes-or-no-p
(concat "\"" file-name "\" does not exist, create it? "))
(error "Output file does not exist"))
(if (and (file-readable-p file-name) (mail-file-babyl-p file-name))
(error "Cannot output `as seen' to a Babyl file"))
(let ((orig-count count)
(case-fold-search t)
(tembuf (get-buffer-create " pmail-output")))
(unwind-protect
(while (> count 0)
(let (cur beg end)
;; If operating from whole-mbox buffer, get message bounds.
(if (not (pmail-buffers-swapped-p))
(setq beg (pmail-msgbeg pmail-current-message)
end (pmail-msgend pmail-current-message)))
;; All access to the buffer's local variables is now finished...
(save-excursion
(setq cur (current-buffer))
(save-restriction
(widen)
;; If operating from the view buffer, get the bounds.
(unless beg
(setq beg (point-min)
end (point-max)))
(with-current-buffer tembuf
(insert-buffer-substring cur beg end)
;; Convert the text to one format or another and output.
(pmail-output-as-mbox file-name
(if noattribute 'nomsg))))))
;; Mark message as "filed".
(unless noattribute
(pmail-set-attribute pmail-filed-attr-index t))
(setq count (1- count))
(or from-gnus
(let ((next-message-p
(if pmail-delete-after-output
(pmail-delete-forward)
(if (> count 0)
(pmail-next-undeleted-message 1))))
(num-appended (- orig-count count)))
(if (and (> count 0) (not next-message-p))
(error "Only %d message%s appended" num-appended
(if (= num-appended 1) "" "s"))))))
(kill-buffer tembuf))))
;;;###autoload
(defun pmail-output-body-to-file (file-name)
"Write this message body to the file FILE-NAME.
@ -573,9 +498,7 @@ FILE-NAME defaults, interactively, from the Subject field of the message."
(and (file-exists-p file-name)
(not (y-or-n-p (format "File %s exists; overwrite? " file-name)))
(error "Operation aborted"))
(write-region (point) (point-max) file-name)
(if (equal major-mode 'pmail-mode)
(pmail-set-attribute pmail-stored-attr-index t)))
(write-region (point) (point-max) file-name))
(if pmail-delete-after-output
(pmail-delete-forward)))