It seems walk-directory will skip files and directories whose name is in Unicode, such as Chinese. Is this a bug? Test platform: Mac OS 10.7 Lion, Clozure Common Lisp 1.8 Test Code: (require "asdf") (require "osicat") (defpackage :com.losttemple.zip-db (:use :common-lisp :osicat)) (in-package :com.losttemple.zip-db) (walk-directory (current-directory) #'(lambda (x) (format t "~a~%" (absolute-pathname x))) :test #'(lambda (x) (format t "---~a~%" (absolute-pathname x)) t) :directories :depth-first) (in-package :common-lisp-user) (quit) -- --------------------------- Achilles Xu