Scieneer Common Lisp 1.3.9 online documentation

ext:unix-namestring pathname &optional for-input executable-only[Function]

Convert pathname into a string that can be used with UNIX system calls. Pathname translations and wild-cards are expanded. If optional argument for-input is true and pathname doesn't exist then nil is returned. If the optional argument executable-only is true then nil is returned unless an executable version of pathname exists.