From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: executable-set-magic update Date: Sat, 10 Jun 2017 08:26:30 -0400 Message-ID: References: NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Trace: blaine.gmane.org 1497097616 14767 195.159.176.226 (10 Jun 2017 12:26:56 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sat, 10 Jun 2017 12:26:56 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.50 (gnu/linux) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sat Jun 10 14:26:53 2017 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dJfTg-0003RN-Lo for ged-emacs-devel@m.gmane.org; Sat, 10 Jun 2017 14:26:52 +0200 Original-Received: from localhost ([::1]:58389 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dJfTg-0005Nw-QM for ged-emacs-devel@m.gmane.org; Sat, 10 Jun 2017 08:26:52 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:41454) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dJfTZ-0005Na-LF for emacs-devel@gnu.org; Sat, 10 Jun 2017 08:26:46 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dJfTV-0000G7-Nf for emacs-devel@gnu.org; Sat, 10 Jun 2017 08:26:45 -0400 Original-Received: from [195.159.176.226] (port=54522 helo=blaine.gmane.org) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1dJfTV-0000Fq-Gx for emacs-devel@gnu.org; Sat, 10 Jun 2017 08:26:41 -0400 Original-Received: from list by blaine.gmane.org with local (Exim 4.84_2) (envelope-from ) id 1dJfTK-0002dU-HM for emacs-devel@gnu.org; Sat, 10 Jun 2017 14:26:30 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 19 Original-X-Complaints-To: usenet@blaine.gmane.org Cancel-Lock: sha1:rh+k9oiT9caF6s+rgnwAdbcdb8w= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 195.159.176.226 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:215557 Archived-At: > It would also be nice if `executable-set-magic’ were supported beyond > `sh-set-shell’ (in lisp/progmodes/sh-script.el), so I implemented > a minor mode that adds the following hook to find-file: > > (defun script-set-magic () > "Look up interpreter associated with current major mode in > `script-set-magic-alist' and call `executable-set-magic'." > (let ((interpreter (alist-get major-mode script-set-magic-alist))) > (if interpreter (executable-set-magic interpreter))) > ) Doesn't this add a #! to every file using modes like js/ruby/awk/perl/python/...? In multi-file programs, only the main file needs a "#!", so I don't understand why adding #! to all files would make sense. Stefan