From 1540e4e9cc1ca84acba6e3aaf848e50c0f0156c7 Mon Sep 17 00:00:00 2001 From: Karl Heuer Date: Fri, 15 Dec 1995 21:11:52 +0000 Subject: [PATCH] (set-auto-mode): Recognize `#!/bin/env INTERPRETER' hack. --- lisp/files.el | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/lisp/files.el b/lisp/files.el index 0f8f69c6bc4..11ed8883cb3 100644 --- a/lisp/files.el +++ b/lisp/files.el @@ -1108,12 +1108,14 @@ If `enable-local-variables' is nil, this function does not check for a (funcall mode) ;; If we can't deduce a mode from the file name, ;; look for an interpreter specified in the first line. + ;; As a special case, allow for things like "#!/bin/env perl", + ;; which finds the interpreter anywhere in $PATH. (let ((interpreter (save-excursion (goto-char (point-min)) - (if (looking-at "#! *\\([^ \t\n]+\\)") - (buffer-substring (match-beginning 1) - (match-end 1)) + (if (looking-at "#! *\\([^ \t\n]*/bin/env +\\)?\\([^ \t\n]+\\)") + (buffer-substring (match-beginning 2) + (match-end 2)) ""))) elt) ;; Map interpreter name to a mode. -- 2.39.2