From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Jean Louis Newsgroups: gmane.emacs.help Subject: Re: Function to find symlink target Date: Thu, 2 Jun 2022 08:15:21 +0300 Message-ID: References: <87czg35n3g.fsf@web.de> <871qwif973.fsf@web.de> <87fskv9gm8.fsf@dataswamp.org> <87pmjxoev5.fsf@dataswamp.org> <87k0a199t2.fsf@dataswamp.org> <87v8tjnbin.fsf@dataswamp.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="11796"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mutt/+ () (2022-05-21) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Thu Jun 02 07:44:46 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 1nwddW-0002ah-2Z for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 02 Jun 2022 07:44:46 +0200 Original-Received: from localhost ([::1]:46712 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nwddU-00060Q-TZ for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 02 Jun 2022 01:44:44 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:32980) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nwdYE-0005yv-Hf for help-gnu-emacs@gnu.org; Thu, 02 Jun 2022 01:39:23 -0400 Original-Received: from stw1.rcdrun.com ([217.170.207.13]:55349) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nwdYA-00089i-Cw for help-gnu-emacs@gnu.org; Thu, 02 Jun 2022 01:39:18 -0400 Original-Received: from localhost ([::ffff:197.239.6.232]) (AUTH: PLAIN admin, TLS: TLS1.3,256bits,ECDHE_RSA_AES_256_GCM_SHA384) by stw1.rcdrun.com with ESMTPSA id 0000000000087C4F.0000000062984CFE.00003D20; Wed, 01 Jun 2022 22:39:10 -0700 Mail-Followup-To: help-gnu-emacs@gnu.org Content-Disposition: inline In-Reply-To: <87v8tjnbin.fsf@dataswamp.org> Received-SPF: pass client-ip=217.170.207.13; envelope-from=bugs@gnu.support; helo=stw1.rcdrun.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_SBL=0.141, SPF_HELO_PASS=-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:137480 Archived-At: * Emanuel Berg [2022-06-02 03:44]: > This is the same use case that has been mentioned several > times by now! Maybe that's the only things symlinks are > good for? Maybe you have been following your "rule" to avoid symlinks without researching what you can do with symlinks. Main use for symlinks on a GNU system is in libraries' directories: lrwxrwxrwx 1 11 May 16 2020 aspell -> aspell-0.60 lrwxrwxrwx 1 17 Apr 28 12:55 terminfo -> ../share/terminfo lrwxrwxrwx 1 22 Mar 25 2021 libauthcustom.so -> libauthcustom.so.0.0.0 lrwxrwxrwx 1 22 Mar 25 2021 libauthcustom.so.0 -> libauthcustom.so.0.0.0 -rwxr-xr-x 1 14K Mar 25 2021 libauthcustom.so.0.0.0 lrwxrwxrwx 1 20 Mar 25 2021 libauthldap.so -> libauthldap.so.0.0.0 lrwxrwxrwx 1 20 Mar 25 2021 libauthldap.so.0 -> libauthldap.so.0.0.0 -rwxr-xr-x 1 87K Mar 25 2021 libauthldap.so.0.0.0 lrwxrwxrwx 1 21 Mar 25 2021 libauthmysql.so -> libauthmysql.so.0.0.0 lrwxrwxrwx 1 21 Mar 25 2021 libauthmysql.so.0 -> libauthmysql.so.0.0.0 -rwxr-xr-x 1 75K Mar 25 2021 libauthmysql.so.0.0.0 lrwxrwxrwx 1 19 Mar 25 2021 libauthpam.so -> libauthpam.so.0.0.0 lrwxrwxrwx 1 19 Mar 25 2021 libauthpam.so.0 -> libauthpam.so.0.0.0 -rwxr-xr-x 1 14K Mar 25 2021 libauthpam.so.0.0.0 lrwxrwxrwx 1 21 Mar 25 2021 libauthpgsql.so -> libauthpgsql.so.0.0.0 lrwxrwxrwx 1 21 Mar 25 2021 libauthpgsql.so.0 -> libauthpgsql.so.0.0.0 -rwxr-xr-x 1 63K Mar 25 2021 libauthpgsql.so.0.0.0 lrwxrwxrwx 1 20 Mar 25 2021 libauthpipe.so -> libauthpipe.so.0.0.0 lrwxrwxrwx 1 20 Mar 25 2021 libauthpipe.so.0 -> libauthpipe.so.0.0.0 -rwxr-xr-x 1 14K Mar 25 2021 libauthpipe.so.0.0.0 lrwxrwxrwx 1 19 Mar 25 2021 libauthpwd.so -> libauthpwd.so.0.0.0 lrwxrwxrwx 1 19 Mar 25 2021 libauthpwd.so.0 -> libauthpwd.so.0.0.0 -rwxr-xr-x 1 14K Mar 25 2021 libauthpwd.so.0.0.0 lrwxrwxrwx 1 22 Mar 25 2021 libauthshadow.so -> libauthshadow.so.0.0.0 lrwxrwxrwx 1 22 Mar 25 2021 libauthshadow.so.0 -> libauthshadow.so.0.0.0 -rwxr-xr-x 1 14K Mar 25 2021 libauthshadow.so.0.0.0 lrwxrwxrwx 1 22 Mar 25 2021 libauthsqlite.so -> libauthsqlite.so.0.0.0 lrwxrwxrwx 1 22 Mar 25 2021 libauthsqlite.so.0 -> libauthsqlite.so.0.0.0 -rwxr-xr-x 1 55K Mar 25 2021 libauthsqlite.so.0.0.0 lrwxrwxrwx 1 22 Mar 25 2021 libauthuserdb.so -> libauthuserdb.so.0.0.0 lrwxrwxrwx 1 22 Mar 25 2021 libauthuserdb.so.0 -> libauthuserdb.so.0.0.0 -rwxr-xr-x 1 30K Mar 25 2021 libauthuserdb.so.0.0.0 lrwxrwxrwx 1 29 Mar 25 2021 libcourierauthcommon.so -> libcourierauthcommon.so.0.0.0 lrwxrwxrwx 1 29 Mar 25 2021 libcourierauthcommon.so.0 -> libcourierauthcommon.so.0.0.0 -rwxr-xr-x 1 42K Mar 25 2021 libcourierauthcommon.so.0.0.0 lrwxrwxrwx 1 33 Mar 25 2021 libcourierauthsaslclient.so -> libcourierauthsaslclient.so.0.0.0 lrwxrwxrwx 1 33 Mar 25 2021 libcourierauthsaslclient.so.0 -> libcourierauthsaslclient.so.0.0.0 -rwxr-xr-x 1 14K Mar 25 2021 libcourierauthsaslclient.so.0.0.0 lrwxrwxrwx 1 27 Mar 25 2021 libcourierauthsasl.so -> libcourierauthsasl.so.0.0.0 lrwxrwxrwx 1 27 Mar 25 2021 libcourierauthsasl.so.0 -> libcourierauthsasl.so.0.0.0 -rwxr-xr-x 1 14K Mar 25 2021 libcourierauthsasl.so.0.0.0 lrwxrwxrwx 1 23 Mar 25 2021 libcourierauth.so -> libcourierauth.so.0.0.0 lrwxrwxrwx 1 23 Mar 25 2021 libcourierauth.so.0 -> libcourierauth.so.0.0.0 However, I can't tell how is that system managed, it apparently works fine without my user's intervention. Here are more practical example on finding files easier in file system by using symlinks for tagging: What's a good solution for file-tagging in linux? - Super User https://superuser.com/questions/81563/whats-a-good-solution-for-file-tagging-in-linux Another interesting file tagging system: TMSU https://tmsu.org/ -- Jean Take action in Free Software Foundation campaigns: https://www.fsf.org/campaigns In support of Richard M. Stallman https://stallmansupport.org/