Add functions+shortcuts to insert the filename into the buffer.

configs/init-functions.el

@@ -125,5 +125,15 @@ If PROJECT is not specified, assume current project root."
   "Check if font with FONT-NAME is available."
   (find-font (font-spec :name font-name)))
 
+(defun insert-full-filename ()
+  "Insert the full path file name into the current buffer."
+  (interactive)
+  (insert (buffer-file-name)))
+
+(defun insert-filename-only ()
+  "Insert the filename (without path) into the current buffer."
+  (interactive)
+  (insert (file-name-nondirectory (buffer-file-name))))
+
 (provide 'init-functions)
 ;;; init-functions.el ends here.