From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Jean Louis Newsgroups: gmane.emacs.help Subject: Re: Maybe we can improve this function call-process-to-string? Date: Thu, 8 Apr 2021 21:40:22 +0300 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="6618"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mutt/2.0.6 (2021-03-06) Cc: help-gnu-emacs@gnu.org To: Stefan Monnier Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Thu Apr 08 20:46:43 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 1lUZfu-0001ZI-PU for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 08 Apr 2021 20:46:42 +0200 Original-Received: from localhost ([::1]:59376 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lUZft-0004wK-J2 for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 08 Apr 2021 14:46:41 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:55424) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lUZeo-0004uj-M8 for help-gnu-emacs@gnu.org; Thu, 08 Apr 2021 14:45:34 -0400 Original-Received: from stw1.rcdrun.com ([217.170.207.13]:42207) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lUZel-0000v6-Ed for help-gnu-emacs@gnu.org; Thu, 08 Apr 2021 14:45:34 -0400 Original-Received: from localhost ([::ffff:41.202.241.27]) (AUTH: PLAIN securesender, TLS: TLS1.3,256bits,ECDHE_RSA_AES_256_GCM_SHA384) by stw1.rcdrun.com with ESMTPSA id 000000000001DF34.00000000606F4F47.00001690; Thu, 08 Apr 2021 11:45:27 -0700 Mail-Followup-To: Stefan Monnier , help-gnu-emacs@gnu.org Content-Disposition: inline In-Reply-To: Received-SPF: pass client-ip=217.170.207.13; envelope-from=bugs@gnu.support; helo=stw1.rcdrun.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham 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:128911 Archived-At: * Stefan Monnier [2021-04-08 20:50]: > Also the above code forgot to kill the buffer you created. > I recommend `with-temp-buffer` here instead: > > (with-temp-buffer > (apply #'call-process program infile t display args) > (buffer-string)) Thanks, that now is fully Emacs style. I know this all as tools, but still need getting used to the tools in the environment. (defun call-process-to-string (program &optional infile display &rest args) (with-temp-buffer (apply #'call-process program infile t display args) (buffer-string))) (call-process-to-string "ls" nil nil "-lS" "/tmp/pies.ctl") ⇒ "srwx------ 1 admin admin 0 Apr 6 11:01 /tmp/pies.ctl " -- Jean Take action in Free Software Foundation campaigns: https://www.fsf.org/campaigns Sign an open letter in support of Richard M. Stallman https://rms-support-letter.github.io/