emacs で開いてる全バッファまとめてインデントするやつ

my-indent-and-save-all-buffers.el

(defun my/indent-and-save-all-buffers ()
  (interactive)
  (dolist (buffer (buffer-list))
    (unless (string-match-p "*" (buffer-name buffer))
      (save-excursion
        (switch-to-buffer buffer)
        (indent-region (point-min) (point-max))
        (save-some-buffers t)))))