From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Emanuel Berg Newsgroups: gmane.emacs.help Subject: Re: Easy to add with push but not to the end of a list Date: Tue, 06 Dec 2022 03:52:46 +0100 Message-ID: <87wn75fdkx.fsf@dataswamp.org> References: <877czcid1d.fsf@web.de> <87a648kzov.fsf@dataswamp.org> <87cz93noqc.fsf@web.de> <87zgc76npf.fsf@dataswamp.org> <87k038npls.fsf@web.de> <87sfht8luq.fsf@dataswamp.org> <87h6y91ffg.fsf@web.de> <878rjlgvdd.fsf@dataswamp.org> <87bkoh1dix.fsf@web.de> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="29112"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:LHKSIDFwKReTGTrguyuDRcjO1Yo= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Tue Dec 06 07:43:15 2022 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 1p2Rff-0007Qv-21 for geh-help-gnu-emacs@m.gmane-mx.org; Tue, 06 Dec 2022 07:43:15 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1p2Rex-0001tb-NP; Tue, 06 Dec 2022 01:42:31 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p2O4o-0007h2-QE for help-gnu-emacs@gnu.org; Mon, 05 Dec 2022 21:52:58 -0500 Original-Received: from ciao.gmane.io ([116.202.254.214]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p2O4m-0008OD-N9 for help-gnu-emacs@gnu.org; Mon, 05 Dec 2022 21:52:58 -0500 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1p2O4j-0008Ge-AC for help-gnu-emacs@gnu.org; Tue, 06 Dec 2022 03:52:53 +0100 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: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.249, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Tue, 06 Dec 2022 01:42:19 -0500 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.29 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-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.help:141430 Archived-At: Michael Heerdegen wrote: >> Here is the `push' macro - TBH, I don't know what most of >> that means ... > > That supports generalized variables; you don't need to do > that (unless you want to). Are the macros here correct then? ;;; -*- lexical-binding: t -*- ;; ;; this file: ;; https://dataswamp.org/~incal/emacs-init/file-write-to.el (require 'subr-x) ;; write (defun write-to-file (file data) (setq data (format "%s" data)) (write-region data nil file) ) ;; read (defun file-to-string (file) "A string with the contents of FILE." (interactive "Ffile: ") (with-temp-buffer (insert-file-contents file) (string-trim (buffer-substring-no-properties (point-min) (point-max)) ))) (defun file-to-integer (file) (string-to-number (file-to-string file)) ) (defmacro file-to-variable (file var) `(setq ,var ,(file-to-string file)) ) (defmacro file-to-variable-integer (file var) `(setq ,var ,(string-to-number (file-to-string file))) ) ;; (write-to-file "~/5ifth.txt" "Leeloo Dallas Multipass") ;; ;; (file-to-string "~/5ifth.txt") ; Leeloo ... ;; (file-to-variable "~/5ifth.txt" string-value) ; Leeloo ... ;; string-value ; Leeloo ... ;; (file-to-variable-integer "~/element.txt" integer-value) ; 5 ;; integer-value ; 5 (provide 'file-write-to) -- underground experts united https://dataswamp.org/~incal