- (let ((gnus-default-article-saver 'gnus-summary-save-in-pipe)
- (gnus-save-all-headers (or headers gnus-save-all-headers)))
- (gnus-summary-save-article arg t))
- (let ((buffer (get-buffer "*Shell Command Output*")))
- (when (and buffer
- (not (zerop (buffer-size buffer))))
- (gnus-configure-windows 'pipe))))
+ (let* ((articles (gnus-summary-work-articles n))
+ (result-buffer "*Shell Command Output*")
+ (all-headers (not (memq sym '(nil r))))
+ (gnus-save-all-headers (or all-headers gnus-save-all-headers))
+ (raw (eq sym 'r))
+ (headers (get 'gnus-summary-save-in-pipe :headers))
+ command result)
+ (unless (numberp (car articles))
+ (error "No article to pipe"))
+ (setq command (gnus-read-shell-command
+ (concat "Shell command on "
+ (if (cdr articles)
+ (format "these %d articles" (length articles))
+ "this article")
+ ": ")
+ gnus-summary-pipe-output-default-command))
+ (when (string-equal command "")
+ (error "A command is required"))
+ (when all-headers
+ (put 'gnus-summary-save-in-pipe :headers nil))
+ (unwind-protect
+ (while articles
+ (gnus-summary-goto-subject (pop articles))
+ (save-window-excursion (gnus-summary-save-in-pipe command raw))
+ (when (and (get-buffer result-buffer)
+ (not (zerop (buffer-size (get-buffer result-buffer)))))
+ (setq result (concat result (with-current-buffer result-buffer
+ (buffer-string))))))
+ (put 'gnus-summary-save-in-pipe :headers headers))
+ (unless (zerop (length result))
+ (if (with-current-buffer (get-buffer-create result-buffer)
+ (erase-buffer)
+ (insert result)
+ (prog1
+ (and (= (count-lines (point-min) (point)) 1)
+ (progn
+ (end-of-line 0)
+ (<= (current-column)
+ (window-width (minibuffer-window)))))
+ (goto-char (point-min))))
+ (message "%s" (substring result 0 -1))
+ (message nil)
+ (gnus-configure-windows 'pipe)))))