Elisp: How to save data in a file?

Question

I want to save data to a file in my elisp program. I have a multi-dimensional list that I want to save to a file, so I can restore it the next time my program runs. What\'s the

Answer 1

Another proposal. Instead of serialising setq calls, this one basically lets you use the file as a variable.

(defun print-to-file (filename data)
  (with-temp-file filename
    (prin1 data (current-buffer))))

(defun read-from-file (filename)
  (with-temp-buffer
    (insert-file-contents filename)
    (cl-assert (eq (point) (point-min)))
    (read (current-buffer))))

Usage:

(print-to-file "bla.el" '(1 2 "foo" 'bar))
(1 2 "foo" (quote bar))

(read-from-file "bla.el")
(1 2 "foo" (quote bar))