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From: lawrence mitchell <wence@gmx.li>
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Subject: Re: Number of open buffers?
Date: Thu, 20 Nov 2003 22:46:47 +0000
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David Kastrup wrote:

[...]

> Wel, if we want to squeeze characters of source, we can do so without
> cl, too.

> (defun get-number-of-file-buffers ()
>   (apply '+ (mapcar (lambda(x)(if(buffer-file-name x)1 0)) (buffer-list))))

I see your apply and raise you a:

(defun get-number-of-file-buffers ()
  (length (delq nil (mapcar 'buffer-file-name (buffer-list)))))

:P
-- 
lawrence mitchell <wence@gmx.li>