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-rw-r--r--modules/system-utils.el6
1 files changed, 5 insertions, 1 deletions
diff --git a/modules/system-utils.el b/modules/system-utils.el
index 1bd7f015..29076f6d 100644
--- a/modules/system-utils.el
+++ b/modules/system-utils.el
@@ -106,7 +106,11 @@ Signals an error if the host is unsupported."
"Open FILENAME (or the file at point) with the OS default handler.
Logs output and exit code to buffer *external-open.log*."
(interactive)
- (let* ((file (expand-file-name (or filename (dired-file-name-at-point))))
+ (let* ((file (expand-file-name
+ (or filename
+ buffer-file-name
+ (and (derived-mode-p 'dired-mode) (dired-file-name-at-point))
+ (user-error "No file associated with this buffer"))))
(cmd (cj/identify-external-open-command))
(logbuf (get-buffer-create "*external-open.log*")))
(with-current-buffer logbuf