From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Rasmus Newsgroups: gmane.emacs.help Subject: Re: Sorting buffer with string-collate-lessp Date: Tue, 26 May 2015 18:40:39 +0200 Message-ID: <87zj4rfg1k.fsf@gmx.us> References: <871ti3uz81.fsf@debian.uxu> <87r3q3e43r.fsf@gmx.us> <87wpzvtjbc.fsf@debian.uxu> <874mmzgutl.fsf@gmx.us> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Trace: ger.gmane.org 1432658734 4517 80.91.229.3 (26 May 2015 16:45:34 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 26 May 2015 16:45:34 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Tue May 26 18:45:26 2015 Return-path: Envelope-to: geh-help-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 1YxHyn-0004O4-Cf for geh-help-gnu-emacs@m.gmane.org; Tue, 26 May 2015 18:45:25 +0200 Original-Received: from localhost ([::1]:49158 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YxHym-0003Yi-Ra for geh-help-gnu-emacs@m.gmane.org; Tue, 26 May 2015 12:45:24 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:43210) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YxHyb-0003YZ-Sj for help-gnu-emacs@gnu.org; Tue, 26 May 2015 12:45:14 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YxHyX-0000u1-Rd for help-gnu-emacs@gnu.org; Tue, 26 May 2015 12:45:13 -0400 Original-Received: from plane.gmane.org ([80.91.229.3]:57948) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YxHyX-0000th-Dc for help-gnu-emacs@gnu.org; Tue, 26 May 2015 12:45:09 -0400 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1YxHyR-0004At-5z for help-gnu-emacs@gnu.org; Tue, 26 May 2015 18:45:03 +0200 Original-Received: from 46.166.186.249 ([46.166.186.249]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 26 May 2015 18:45:03 +0200 Original-Received: from rasmus by 46.166.186.249 with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 26 May 2015 18:45:03 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 38 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 46.166.186.249 User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux) Cancel-Lock: sha1:fDbCytJpQhiJbcW6m5oxZQyY6Fo= X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 80.91.229.3 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.14 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-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:104585 Archived-At: Rasmus writes: >> Anyhow, that function name ends with a "p" so it is >> a unary function which returns a boolean, I take it. >> So why doesn't it work to do just as you suggested >> with `sort-subr' with that as the third optional >> argument, namely PREDICATE? > > Yeah, but you get bufferf pointers. As I hinted in my first post you can > write a boilerplate around it, > > (with-temp-buffer > (save-excursion (insert (mapconcat 'symbol-name '(c b a á) "\n"))) > (sort-subr nil 'forward-line 'end-of-line nil nil > (lambda (a b) (funcall > (if (fboundp 'string-collate-lessp) > 'string-collate-lessp > 'string-lessp) > (buffer-substring (car a) (cdr a)) > (buffer-substring (car b) (cdr b))))) > (buffer-string)) I should have given this function as well: (with-temp-buffer (save-excursion (insert (mapconcat 'symbol-name '(c b a á) "\n"))) (sort-subr nil 'forward-line 'end-of-line nil nil (if (fboundp 'string-collate-lessp) 'string-collate-lessp 'string-lessp)) (buffer-string)) It results in an error (on my system). Rasmus -- May contains speling mistake