From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Juri Linkov Newsgroups: gmane.emacs.bugs Subject: bug#13032: 24.3.50; Request: Provide a `delete-duplicate-lines' command Date: Tue, 04 Dec 2012 01:49:29 +0200 Organization: JURTA Message-ID: <87lidek86u.fsf@mail.jurta.org> References: <87obig2ap2.fsf@mail.jurta.org> <874nk728ci.fsf@mail.jurta.org> <874nk63aps.fsf@mail.jurta.org> <87mwxxfhd3.fsf@mail.jurta.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1354578648 15877 80.91.229.3 (3 Dec 2012 23:50:48 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 3 Dec 2012 23:50:48 +0000 (UTC) Cc: Juanma Barranquero , 13032-done@debbugs.gnu.org To: Dani Moncayo Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Dec 04 00:51:00 2012 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Tffmt-0003OE-J8 for geb-bug-gnu-emacs@m.gmane.org; Tue, 04 Dec 2012 00:50:59 +0100 Original-Received: from localhost ([::1]:33392 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Tffmh-0001rF-M0 for geb-bug-gnu-emacs@m.gmane.org; Mon, 03 Dec 2012 18:50:47 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:36162) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Tffmf-0001pk-36 for bug-gnu-emacs@gnu.org; Mon, 03 Dec 2012 18:50:46 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TffmX-0000Wu-Oj for bug-gnu-emacs@gnu.org; Mon, 03 Dec 2012 18:50:44 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:41860) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TffmX-0000Wp-La for bug-gnu-emacs@gnu.org; Mon, 03 Dec 2012 18:50:37 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1Tffos-0005sY-3Q for bug-gnu-emacs@gnu.org; Mon, 03 Dec 2012 18:53:02 -0500 Resent-From: Juri Linkov Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-To: bug-gnu-emacs@gnu.org Resent-Date: Mon, 03 Dec 2012 23:53:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: cc-closed 13032 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Mail-Followup-To: 13032@debbugs.gnu.org, juri@jurta.org, dmoncayo@gmail.com Original-Received: via spool by 13032-done@debbugs.gnu.org id=D13032.135457874922551 (code D ref 13032); Mon, 03 Dec 2012 23:53:01 +0000 Original-Received: (at 13032-done) by debbugs.gnu.org; 3 Dec 2012 23:52:29 +0000 Original-Received: from localhost ([127.0.0.1]:52111 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1TffoL-0005rg-0b for submit@debbugs.gnu.org; Mon, 03 Dec 2012 18:52:29 -0500 Original-Received: from ps18281.dreamhost.com ([69.163.218.105]:42625 helo=ps18281.dreamhostps.com) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1TffoH-0005rY-Qn for 13032-done@debbugs.gnu.org; Mon, 03 Dec 2012 18:52:26 -0500 Original-Received: from localhost (ps18281.dreamhostps.com [69.163.218.105]) by ps18281.dreamhostps.com (Postfix) with ESMTP id 7D4AE46FA010; Mon, 3 Dec 2012 15:49:59 -0800 (PST) In-Reply-To: (Dani Moncayo's message of "Sun, 2 Dec 2012 10:13:55 +0100") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (x86_64-pc-linux-gnu) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:67876 Archived-At: >> The ADJACENT argument is an optimization that doesn't require >> additional memory (to store previous lines in the cache). >> This is necessary when the user needs to delete duplicate lines >> in a large sorted file. > > Ah, good point. I guess that the optimization is twofold: in memory > and also in performance. Then, IMO this should be explained in the > docstring, so that users know that they should use this feature when > running this command over a large chunk of lines. Thanks for the suggestion, I added this as well.