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: For text processing, which is more powerful, emacs or perl? Date: Sun, 20 Dec 2020 09:52:12 +0300 Message-ID: References: <87tushbawm.fsf@zoho.eu> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="24981"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mutt/2.0 (3d08634) (2020-11-07) Cc: help-gnu-emacs , Emanuel Berg To: Hongyi Zhao Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Sun Dec 20 07:57:53 2020 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 1kqsfA-0006PC-Ut for geh-help-gnu-emacs@m.gmane-mx.org; Sun, 20 Dec 2020 07:57:52 +0100 Original-Received: from localhost ([::1]:53730 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kqsf9-00080U-W7 for geh-help-gnu-emacs@m.gmane-mx.org; Sun, 20 Dec 2020 01:57:52 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:48878) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kqseP-00080N-B6 for help-gnu-emacs@gnu.org; Sun, 20 Dec 2020 01:57:05 -0500 Original-Received: from stw1.rcdrun.com ([217.170.207.13]:33941) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kqseK-0006iA-AX for help-gnu-emacs@gnu.org; Sun, 20 Dec 2020 01:57:05 -0500 Original-Received: from localhost ([::ffff:41.202.241.37]) (AUTH: PLAIN securesender, TLS: TLS1.2,256bits,ECDHE_RSA_AES_256_GCM_SHA384) by stw1.rcdrun.com with ESMTPSA id 000000000001E007.000000005FDEF5B9.0000038B; Sat, 19 Dec 2020 23:56:56 -0700 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:126630 Archived-At: * Hongyi Zhao [2020-12-20 09:19]: > On Sun, Dec 20, 2020 at 1:31 PM Jean Louis wrote: > > > > * Hongyi Zhao [2020-12-20 04:43]: > > > werner@X10DAi:~$ time python3 --version >/dev/null > > > > > > real 0m0.086s > > > user 0m0.065s > > > sys 0m0.027s > > > werner@X10DAi:~$ time perl --version >/dev/null > > > > > > real 0m0.003s > > > user 0m0.003s > > > sys 0m0.000s > > > > You did not measure the code, rather startup time to show the version. > > https://perlmaven.com/compare-the-speed-of-perl-and-python-regex I see, yes, it cannot compare well to Python. So for when speed is critical it is better using Perl. Perl is/was one of my favorite languages and I did everything in Perl before learning about Lisp. Lisp offers to me better simpler readability. What I am missing is simple interface and that is solved with Emacs built-in features. And Emacs than provides instability so I cannot really solve huge tasks with it, it crashes, has memory problems, etc.