(defvar *db* nil)
(defun make-cd (title artist rating ripped)
(list :title title :artist artist :rating rating :ripped ripped))
(defun add-record (cd) (push cd *db*))
(defun dump-db ()
(dolist (cd *db*)
(format t "~{~a: ~10t~a~%~}~%" cd)))
(defun prompt-read (prompt)
(format *query-io* "~a: " prompt)
(force-output *query-io*)
(read-line *query-io*))
(defun prompt-for-cd ()
(make-cd
(prompt-read "Title")
(prompt-read "Artist")
(or
(parse-integer
(prompt-read "Rating")
:junk-allowed t)
0)
(y-or-n-p "~%Ripped:")))
(defun add-cds ()
(loop (add-record (prompt-for-cd))
(if (not (y-or-n-p "Another?"))
(return))))
(defun save-db (filename)
(with-open-file (out filename
:direction :output
:if-exists :supersede)
(with-standard-io-syntax
(print *db* out))))
(defun load-db (filename)
(with-open-file (in filename)
(with-standard-io-syntax
(setf *db* (read in)))))
; (add-record (make-cd "food" 5 "worr" t))
; (dump-db)