Posted By

bigfaceworm on 04/22/09

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Last Edited at 04/22/09 04:38pm

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Auto-compiled .emacs file

/ Published in: Emacs Lisp

Move your current .emacs file to a new name (like `.emacs.username.el`), and change the `"frog.el"` to that new name. This code will byte compile your (newly named) .emacs file upon exit, and upon starting up will load the byte compiled (unless the source is newer).

I chose not to byte compile on startup b/c the original purpose of this code was to speed things up, and loading and byte compiling will slow things down slightly...

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(defconst dot-emacs (concat (getenv "HOME") "/" "frog.el")
    "My dot emacs file")
 
(require 'bytecomp)
(setq compiled-dot-emacs (byte-compile-dest-file dot-emacs))
 
(if (or (not (file-exists-p compiled-dot-emacs))
	(file-newer-than-file-p dot-emacs compiled-dot-emacs)
        (equal (nth 4 (file-attributes dot-emacs)) (list 0 0)))
    (load dot-emacs)
  (load compiled-dot-emacs))
 
(add-hook 'kill-emacs-hook
          '(lambda () (and (file-newer-than-file-p dot-emacs compiled-dot-emacs)
                           (byte-compile-file dot-emacs))))

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