From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Emanuel Berg via Users list for the GNU Emacs text editor Newsgroups: gmane.emacs.help Subject: Re: Elisp version of CL: (format t "~:d" NUM) Date: Fri, 21 May 2021 21:44:08 +0200 Message-ID: <87h7iveut3.fsf@zoho.eu> References: Reply-To: Emanuel Berg Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="34350"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:5WECPNZt8sToQISsrYFx/u2/lSI= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Fri May 21 21:45:35 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 1lkB5S-0008hx-US for geh-help-gnu-emacs@m.gmane-mx.org; Fri, 21 May 2021 21:45:34 +0200 Original-Received: from localhost ([::1]:53682 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lkB5R-0001jD-9J for geh-help-gnu-emacs@m.gmane-mx.org; Fri, 21 May 2021 15:45:33 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:43136) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lkB4I-0001j3-TH for help-gnu-emacs@gnu.org; Fri, 21 May 2021 15:44:25 -0400 Original-Received: from ciao.gmane.io ([116.202.254.214]:54342) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lkB4H-0005FE-GM for help-gnu-emacs@gnu.org; Fri, 21 May 2021 15:44:22 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1lkB4D-0006va-Uf for help-gnu-emacs@gnu.org; Fri, 21 May 2021 21:44:17 +0200 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: help-gnu-emacs@gnu.org Mail-Copies-To: never Received-SPF: pass client-ip=116.202.254.214; envelope-from=geh-help-gnu-emacs@m.gmane-mx.org; helo=ciao.gmane.io X-Spam_score_int: -15 X-Spam_score: -1.6 X-Spam_bar: - X-Spam_report: (-1.6 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.25, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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:130003 Archived-At: Jean Louis wrote: > In Common Lisp it is very easy to get readable comma > separated digits: https://lists.gnu.org/archive/html/help-gnu-emacs/2008-06/msg00369.html > (defun number-comma-char (num) > "For NUM return readable comma separated digits." > (let* ((num (cond ((numberp num) (number-to-string num)) > (t num))) > (decimal (string-match "\\." num)) > (rest (if decimal (substring num decimal) "")) > (num (if decimal (substring num 0 decimal) num)) > (count 1) > (list) > (chain (seq-map 'identity (reverse num)))) > (while chain > (let ((char (pop chain))) > (cond ((and (= (truncate (/ count 3.0)) (/ count 3.0)) > chain) > (progn > (push char list) > (push ?, list))) > (t (push char list))) > (setq count (1+ count)))) > (concat (mapconcat 'char-to-string list "") rest))) Haha you are always so much fun with this semi-manual style of yours :) But good work... -- underground experts united https://dataswamp.org/~incal