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Re: auto-revert-mode

From: Oleksandr Gavenko
Subject: Re: auto-revert-mode
Date: Tue, 14 Sep 2010 22:33:42 +0300
User-agent: Mozilla-Thunderbird (X11/20090103)

Thamer Mahmoud wrote:
Oleksandr Gavenko <> writes:
 (lambda nil
   (when (equal (file-name-extension (buffer-file-name)) "log")
       (auto-revert-mode 1) ;; or (auto-revert-tail-mode 1) !!

I don't know more efficient way to do this.

Here is another solution:

(add-to-list 'auto-mode-alist '("\\.foo\\'" (lambda () (auto-revert-mode 1)) t))

auto-mode-alist is a variable defined in `files.el'.
Alist of filename patterns vs corresponding major mode functions.
If the element has the form (REGEXP FUNCTION NON-NIL), then after
calling FUNCTION (if it's not nil), we delete the suffix that matched
REGEXP and search the list again for another match.

So if my file has name and I open it I got
file in major c-mode and minor auto-revert-mode!

Beside side effect of this hack for me interesting
how 'auto-mode-alist' processed - invoke major mode once for first
regex match on for all matches?

So if for your .foo extension desired some major mode
you may hid it by minor mode!

Best regards!

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