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-rw-r--r--lisp/clark.lisp11
1 files changed, 11 insertions, 0 deletions
diff --git a/lisp/clark.lisp b/lisp/clark.lisp
index bfb0868..d9477e8 100644
--- a/lisp/clark.lisp
+++ b/lisp/clark.lisp
@@ -330,6 +330,17 @@ list of tags."
(clear-tags url)
(add-tags url tags))
+(defun random-item (lst)
+ (nth (random (length lst) (make-random-state t)) lst))
+
+(defcommand random (&optional tag)
+ "Pick a random bookmark, possibly from TAG."
+ "Usage: clark random [<tag>]
+
+Get a random bookmark. If TAG is given limit the result to a bookmark
+having the tag TAG."
+ (format t "~a~%" (random-item (url-list tag))))
+
(defcommand version ()
"Show version."
"Usage: clark version