Newline in .erlang.cookie

-----BEGIN PGP SIGNED MESSAGE-----
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I have just found a small cause of irritation in distel. The error I
received was:

'''
error in process sentinel: if: Can't handle event closed in state
derl-recv-challenge-ack
error in process sentinel: Can't handle event closed in state
derl-recv-challenge-ack
'''

I found the error, it was my bad :)
Erlang and distel seem to handle the existence of a trailing newline in
the .erlang.cookie file differently. Erlang strips it and distel keeps
it intact. I made a small change to the derl.el to ignore the existence
of a single newline. The behavior seems to be consistent to that of the
erl interpreter.

Here is the change, hope it can help others.

derl.el
- ---------------------------
(defun erl-cookie ()
  (or derl-cookie
      (with-temp-buffer
	(insert-file-contents (concat (getenv "HOME")
                                      "/.erlang.cookie"))
>	(when (> (string-to-number (count-matches "\n")) 1)
>	  (error "Invalid erlang cookie file"))
>	(replace-match "")
	(buffer-string))))


Besides that, thank you very much for distel, it rocks!
Kind regards, Ian
- --
Ian Zerny
[email protected]
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