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From: lawrence mitchell <wence@gmx.li>
Subject: Re: Number of open buffers?
Date: Thu, 20 Nov 2003 22:46:47 +0000	[thread overview]
Message-ID: <?fnord?u3cci64ko.fsf@ID-97657.usr.dfncis.de> (raw)
In-Reply-To: x5y8uait6h.fsf@lola.goethe.zz

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>

  reply	other threads:[~2003-11-20 22:46 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <bpilkc$pq1$0@pita.alt.net>
2003-11-20 16:19 ` Number of open buffers? Eli Zaretskii
     [not found] ` <mailman.342.1069348789.399.help-gnu-emacs@gnu.org>
     [not found]   ` <bpirf4$8ee$2@pita.alt.net>
2003-11-20 18:10     ` Micah Cowan
     [not found]       ` <bpja4e$89m$1@pita.alt.net>
2003-11-20 21:15         ` David Kastrup
2003-11-20 21:50           ` lawrence mitchell
2003-11-20 22:14             ` David Kastrup
2003-11-20 22:46               ` lawrence mitchell [this message]
2003-11-20 23:40                 ` David Kastrup
2003-11-20 22:42           ` Johan Bockgård
2003-11-20 21:43         ` Lucas
     [not found]         ` <mailman.369.1069368465.399.help-gnu-emacs@gnu.org>
     [not found]           ` <bplam3$nrj$1@pita.alt.net>
2003-11-21 15:36             ` David Kastrup
2003-11-21 15:52           ` Stefan Monnier
2003-11-21 20:21             ` Lucas

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