The user can provide a optional argument PATTERN for the directory command, that overrides whatever uiop uses. But what uiop uses is implementation-dependent, and overriding it will not work portably, unless you make sure your pattern works everywhere, at which point you'll be better off using iolib.
The user can provide a optional argument PATTERN for the directory command, that overrides whatever uiop uses. But what uiop uses is implementation- dependent, and overriding it will not work portably, unless you make sure your pattern works everywhere, at which point you'll be better off using iolib.