From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Andy Stewart Newsgroups: gmane.emacs.help Subject: Re: check if these is a buffer to a file Date: Mon, 16 Feb 2009 11:50:52 +0800 Message-ID: <87fxif59b7.fsf@debian.domain> References: <6f0927c0-d5f3-42ab-b233-662207f2ed5e@x29g2000prf.googlegroups.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1234756551 8219 80.91.229.12 (16 Feb 2009 03:55:51 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 16 Feb 2009 03:55:51 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Mon Feb 16 04:57:05 2009 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1LYubN-0003LL-6c for geh-help-gnu-emacs@m.gmane.org; Mon, 16 Feb 2009 04:57:01 +0100 Original-Received: from localhost ([127.0.0.1]:57458 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LYua2-0000b9-VU for geh-help-gnu-emacs@m.gmane.org; Sun, 15 Feb 2009 22:55:39 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1LYuZh-0000YP-RD for help-gnu-emacs@gnu.org; Sun, 15 Feb 2009 22:55:17 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1LYuZf-0000Sn-Dx for help-gnu-emacs@gnu.org; Sun, 15 Feb 2009 22:55:16 -0500 Original-Received: from [199.232.76.173] (port=38155 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LYuZf-0000Sf-Aj for help-gnu-emacs@gnu.org; Sun, 15 Feb 2009 22:55:15 -0500 Original-Received: from main.gmane.org ([80.91.229.2]:33274 helo=ciao.gmane.org) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1LYuZe-00083v-EW for help-gnu-emacs@gnu.org; Sun, 15 Feb 2009 22:55:15 -0500 Original-Received: from list by ciao.gmane.org with local (Exim 4.43) id 1LYuZd-0001hJ-Ge for help-gnu-emacs@gnu.org; Mon, 16 Feb 2009 03:55:13 +0000 Original-Received: from 222.212.138.139 ([222.212.138.139]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 16 Feb 2009 03:55:13 +0000 Original-Received: from lazycat.manatee by 222.212.138.139 with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 16 Feb 2009 03:55:13 +0000 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 24 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 222.212.138.139 User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (gnu/linux) Cancel-Lock: sha1:ep5i569SK0iU8qS2pg83qe1qCM8= X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6, seldom 2.4 (older, 4) X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:62138 Archived-At: Hi, Kiwon Um writes: > Hello. I'm now writing some lisp codes. > > I want to write some codes that kill a buffer if it is already opened > (visited). > Is there any predefined function to check the existence of a buffer? Try to use function `get-buffer'. Below is document of function `get-buffer': ,---- | (get-buffer BUFFER-OR-NAME) | | Return the buffer named BUFFER-OR-NAME. | BUFFER-OR-NAME must be either a string or a buffer. If BUFFER-OR-NAME | is a string and there is no buffer with that name, return nil. If | BUFFER-OR-NAME is a buffer, return it as given. `---- -- Andy