Wishlist: gnus-summary-save-parts: save all parts

[era eriksson]

On a message with multiple message/rfc822 attachments, I found that `X m' would
only save the last part (possibly it saved the earlier parts under the same
name, or something). It would seem that it is useful only when each part has a
filename= or name= parameter.

It would be useful and probably closer to user expectations if it could come up
with a unique name for each part which doesn't otherwise have one.

As a workaround, running Esc 2 K o (filename) RET, Esk 3 K o (filename) RET etc
works when you have a small number of attachments. Then you get to name each
file on the fly.

For a message with 61 attachments, I came up with the following M-x eval:

(let ((i 2)) (while (< i 63)
 ;; This snippet divinely inspired by code from from gnus-sum.el and 
mm-decode.el
 (set-buffer gnus-article-buffer)
 (gnus-article-goto-part i)
 (mm-save-part-to-file
   (cdr (assq i gnus-article-mime-handle-alist))
   (concat "/tmp/parts/" (int-to-string i) ".msg"))
 (setq i (1+ i)) ) )

Obviously, this could be generalized to a function which loops exactly as many
times as required for each message, asks for a directory name and/or perhaps a
filename template, checks that the directory exists, etc.

I had a quick look at the current CVS sources on Quimby, and could not see any
changes to the parts of the code where this is handled, compared to what I have
in my Gnus 5.10 on Ubuntu Breezy ("Version: 5.10.6-0.CVS.20050610-1")

/* era */

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