From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Marcin Borkowski Newsgroups: gmane.emacs.help Subject: Re: DWIM region (was: Re: count regexp hits) Date: Sun, 07 Jan 2018 06:32:07 +0100 Message-ID: <87incefd48.fsf@mbork.pl> References: <86shbmcldx.fsf@zoho.com> <86d12pcvgj.fsf@zoho.com> <86d12pb988.fsf_-_@zoho.com> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1515303077 11024 195.159.176.226 (7 Jan 2018 05:31:17 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sun, 7 Jan 2018 05:31:17 +0000 (UTC) User-Agent: mu4e 0.9.19; emacs 27.0.50 Cc: help-gnu-emacs@gnu.org To: Emanuel Berg Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Sun Jan 07 06:31:12 2018 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eY3Xx-0001pD-8M for geh-help-gnu-emacs@m.gmane.org; Sun, 07 Jan 2018 06:31:01 +0100 Original-Received: from localhost ([::1]:38357 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eY3Zw-0004HC-Kk for geh-help-gnu-emacs@m.gmane.org; Sun, 07 Jan 2018 00:33:04 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:51152) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eY3ZP-0004Ba-Eo for help-gnu-emacs@gnu.org; Sun, 07 Jan 2018 00:32:32 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eY3ZK-0004nL-Il for help-gnu-emacs@gnu.org; Sun, 07 Jan 2018 00:32:31 -0500 Original-Received: from mail.mojserwer.eu ([195.110.48.8]:50329) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eY3ZK-0004kw-Bl for help-gnu-emacs@gnu.org; Sun, 07 Jan 2018 00:32:26 -0500 Original-Received: from localhost (localhost [127.0.0.1]) by mail.mojserwer.eu (Postfix) with ESMTP id D411CE6310; Sun, 7 Jan 2018 06:32:17 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at mail.mojserwer.eu Original-Received: from mail.mojserwer.eu ([127.0.0.1]) by localhost (mail.mojserwer.eu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id mvmYL0iNXDvS; Sun, 7 Jan 2018 06:32:14 +0100 (CET) Original-Received: from localhost (static-dwadziewiec-jedenpiec7.echostar.pl [109.232.29.157]) by mail.mojserwer.eu (Postfix) with ESMTPSA id 38106E62DA; Sun, 7 Jan 2018 06:32:14 +0100 (CET) In-reply-to: <86d12pb988.fsf_-_@zoho.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 195.110.48.8 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.21 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.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.org gmane.emacs.help:115609 Archived-At: On 2018-01-04, at 22:32, Emanuel Berg wrote: > BTW this method on acting on the region (if > any) I have found very useful and it has > recurred many times in my code: > > (defun count-regexp-hits (regexp) > (interactive "sregexp: ") > (let*((region (if mark-active > `(,(region-beginning) ,(region-end)) > `(,(point-min) ,(point-max)) )) > (start (car region)) > (end (cadr region)) ) > (count-matches regexp start end t) )) > > Is it the canonical way of doing it as well? Why not use (use-region-p) instead of mark-active? Also, spacing is kind of strange. Hth, -- Marcin Borkowski