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From: craffert@sps.ml.com (Colin Rafferty)
Newsgroups: gmane.emacs.gnus.general
Subject: Re: compressed nnml files?
Date: Mon, 11 Dec 95 10:24:24 EST
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Stainless Steel Rat writes:
>>>>>> "CR" == Colin Rafferty <craffert@sps.ml.com> writes:

CR> I would like to be able to compress old articles and still be able
CR> to read them normally.  August Gnus does not play well with crypt++.
CR> I imagine that September Gnus has the same problems.

> crypt++ is not a good choice for transparent, on-the-fly compression;
> for that I recomend jka-compr which is also distributed with Emacs now.
> But that alone won't work because nnml.el won't operate correctly on the
> compressed files.  For that a little bit of hacking in nnml.el is in
> order:

Actually, I think that crypt++ is better because it also gives you the
ability to have encrypted mail messages as well.  Since it recognizes
compressed/encrypted files by contents (which works very well with mail
files), you can leave the files named the same (as numbers).

In fact, I could see adding a command gnus-summary-encrypt-article.

Here is my solution for my own problem (in my .gnus).  It handles
reading mail, just editing and then saving a compressed/encrypted file:

(require 'nnmail)
(defun nnmail-find-file (file)
  "Insert FILE in server buffer safely."
  (set-buffer nntp-server-buffer)
  (erase-buffer)
  (condition-case ()
      (progn
	(if (fboundp 'crypt-insert-file-contents)
	    (let ((crypt-auto-decode-insert t))
	      (crypt-insert-file-contents file))
	  (insert-file-contents file))
	     t)
    (file-error nil)))

; -Colin