[Users] External editor?

Ian Zimmerman itz at buug.org
Mon Nov 10 20:29:59 CET 2014

On Mon, 10 Nov 2014 12:53:47 -0500,
Barry Warsaw <barry at python.org> wrote:

Barry> Here's my dumb way of setting this up in emacs.  I've had this
Barry> chunk of code for years, so there are probably better ways of
Barry> doing it, but it WFM.

> (defun baw-os-path-split (filename)
>   "Convert a file name into a list of its path components."
>   (let ((path filename)
>         last dir parts)
>     (while path
>       (setq last (file-name-nondirectory path)
>             dir (file-name-directory path))
>       ;; Remove any trailing slash.
>       (if dir
>           (setq path (substring (file-name-directory path) 0 -1))
>         (setq path dir))
>       (push last parts))
>     parts))

> (defun baw-server-visit-hook ()
>   (let* ((filename (buffer-file-name))
>          (parts (and filename (reverse (baw-os-path-split filename))))
>          firstpart)
>     (when parts
>       (setq firstpart (pop parts))
>       (when (and (>= (length firstpart) 6)
>                  (string-equal (substring firstpart 0 6) "tmpmsg")
>                  (string-equal (pop parts) "tmp")
>                  (string-equal (pop parts) ".claws-mail"))
>         ;; Claws mail temporary buffers should be mail buffers for syntax
>         ;; highlighting.  I may want to turn off whitespace mode and other
>         ;; syntax highlighting, but I'm not sure yet.
>         (mail-mode))
>       )))
> (add-hook 'server-visit-hook 'baw-server-visit-hook)

That's a very nice way too, yes.  But then it works _only_ if you're
connecting to a daemon emacs.  My "editor" is actually a script that
execs emacsclient if the daemon is up, and full emacs otherwise.

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