use or require しているモジュールを保管する

imported-perl-modules.el

(defun my/imported-modules ()
  (interactive)
  (let (imported-modules)
    (save-excursion
      (goto-char (point-min))
      (while (re-search-forward "\\(use\\|require\\) +\\([^;]+\\);" nil t)
        (push (list (buffer-substring-no-properties (match-beginning 2) (match-end 2)))
              imported-modules)
        (setq tms imported-modules))
      (completing-read "what module? : " imported-modules))))