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-rw-r--r--src/util.lisp8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/util.lisp b/src/util.lisp
index cee463f..0bbf585 100644
--- a/src/util.lisp
+++ b/src/util.lisp
@@ -373,6 +373,14 @@ expansion as a starting point for your own DEFPACKAGE form for your consfig."
"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
:test #'string=)
+(defun random-alphanumeric (length)
+ "Return a random alphanumeric string of length LENGTH."
+ (aprog1 (make-string length)
+ (loop with *random-state* = (make-random-state t)
+ for i below length
+ do (setf (char it i)
+ (char +alphanum+ (random #.(length +alphanum+)))))))
+
(defun mkfifo ()
"Use mkfifo(3) to create a named pipe with a mkstemp(3)-like name."
(let* ((dir (drop-trailing-slash (or (getenv "TMPDIR") "/tmp")))