+(defun gnus-summary-save-parts (type dir n reverse)
+ "Save parts matching TYPE to DIR.
+If REVERSE, save parts that do not match TYPE."
+ (interactive
+ (list (read-string "Save parts of type: " "image/.*")
+ (read-file-name "Save to directory: " t nil t)
+ current-prefix-arg))
+ (gnus-summary-iterate n
+ (let ((gnus-display-mime-function nil)
+ (gnus-inhibit-treatment t))
+ (gnus-summary-select-article))
+ (save-excursion
+ (set-buffer gnus-article-buffer)
+ (let ((handles (or (mm-dissect-buffer) (mm-uu-dissect))))
+ (when handles
+ (gnus-summary-save-parts-1 type dir handles reverse))))))
+
+(defun gnus-summary-save-parts-1 (type dir handle reverse)
+ (if (stringp (car handle))
+ (mapcar (lambda (h) (gnus-summary-save-parts-1 type dir h reverse))
+ (cdr handle))
+ (when (if reverse
+ (not (string-match type (car (mm-handle-type handle))))
+ (string-match type (car (mm-handle-type handle))))
+ (let ((file (expand-file-name
+ (file-name-nondirectory
+ (or
+ (mail-content-type-get
+ (mm-handle-disposition handle) 'filename)
+ (concat gnus-newsgroup-name "." gnus-current-article)))
+ dir)))
+ (unless (file-exists-p file)
+ (mm-save-part-to-file handle file))))))
+