From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.help Subject: Re: Is with-temp-buffer really temporary? Date: Mon, 26 Apr 2021 15:58:43 -0400 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="27710"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:86RS3vuse0pJVyA9FGAmga8fgL8= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Mon Apr 26 21:59:12 2021 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lb7Nw-000777-Bu for geh-help-gnu-emacs@m.gmane-mx.org; Mon, 26 Apr 2021 21:59:12 +0200 Original-Received: from localhost ([::1]:41852 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lb7Nv-0004Bj-CO for geh-help-gnu-emacs@m.gmane-mx.org; Mon, 26 Apr 2021 15:59:11 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:59112) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lb7Nd-0004Ba-W6 for help-gnu-emacs@gnu.org; Mon, 26 Apr 2021 15:58:54 -0400 Original-Received: from ciao.gmane.io ([116.202.254.214]:32836) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lb7Nc-0005KM-KQ for help-gnu-emacs@gnu.org; Mon, 26 Apr 2021 15:58:53 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1lb7NZ-0006cF-Hq for help-gnu-emacs@gnu.org; Mon, 26 Apr 2021 21:58:49 +0200 X-Injected-Via-Gmane: http://gmane.org/ Received-SPF: pass client-ip=116.202.254.214; envelope-from=geh-help-gnu-emacs@m.gmane-mx.org; helo=ciao.gmane.io X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.249, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.io gmane.emacs.help:129146 Archived-At: > I wish to use Emacs to accept file online and file should enter memory > and memory should be deleted thereafter. > Thus, if I use with-temp-buffer function, how sure is it that anything > that as in temporary buffer is not any more in the memory of computer? Emacs Lisp does not "scrape" the memory that it stops using. IIRC the only kind of scraping offered is what you get with `clear-string` and AFAIK we have nothing equivalent for buffer text. Stefan