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: Function to find symlink target Date: Sun, 29 May 2022 04:01:51 +0200 Message-ID: <87sfotf65s.fsf@dataswamp.org> References: <87wneixx7x.fsf@dataswamp.org> <875ylxe98k.fsf@dataswamp.org> <878rqsyo1x.fsf@dataswamp.org> <87wneb690a.fsf@dataswamp.org> <871qwjzqg5.fsf@web.de> <87o7zn65jp.fsf@dataswamp.org> <87v8ttb5te.fsf@dataswamp.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="23576"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:pGZT65dkoiMBqPnKKqtXG+YprsA= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Sun May 29 04:02:46 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 1nv8GT-0005vv-VV for geh-help-gnu-emacs@m.gmane-mx.org; Sun, 29 May 2022 04:02:45 +0200 Original-Received: from localhost ([::1]:53776 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nv8GS-0001gY-HL for geh-help-gnu-emacs@m.gmane-mx.org; Sat, 28 May 2022 22:02:44 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:37984) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nv8Fs-0001g8-0f for help-gnu-emacs@gnu.org; Sat, 28 May 2022 22:02:08 -0400 Original-Received: from ciao.gmane.io ([116.202.254.214]:56928) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nv8Fq-0002Tp-ET for help-gnu-emacs@gnu.org; Sat, 28 May 2022 22:02:07 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1nv8Fo-00055x-Eu for help-gnu-emacs@gnu.org; Sun, 29 May 2022 04:02:04 +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: -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, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action 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" Xref: news.gmane.io gmane.emacs.help:137457 Archived-At: >> (defun rcd-dired-show-symlink-target () >> "Show target of a symlink." [...] > > Yes, that works. You can add an optional FILE argument and > only when that's not provided look for the first marked file > or even the file at point which is perhaps more intuitive > since it's only one file ... ;;; -*- lexical-binding: t -*- ;; ;; this file: ;; https://dataswamp.org/~incal/emacs-init/dired-jump-target.el (require 'dired) (defun dired-jump-target (&optional file) "Jump to FILE or to the target if a symlink." (interactive (let ((fls (dired-get-marked-files))) (list (if (= 1 (length fls)) (car fls) (thing-at-point 'filename) )))) (let*((tgt (file-truename file)) (dir (file-name-directory tgt)) ) (when (file-exists-p tgt) (find-file dir) (dired-jump nil tgt) ))) ;; (dired-jump-target "~/mia.txt") ; from Lisp, regular file ;; ^ and try interactively with point here ;; ;; (dired-jump-target "~/l") ; symlink ;; ^ ;; (dired-jump-target "~/xxx") ; nil and NOOP on no file ;; ^ ;; last, try from dired with one (1) file marked for cases ;; regular/symlink -- underground experts united https://dataswamp.org/~incal