uiop:file-exists-p fails for dotfiles in Clozure

[Paul M. Rodriguez]

If you call uiop:file-exists-p on a dotfile in CCL, it always returns nil.
This is true even though uiop:directory-files shows the dotfile in the
directory listing.

The problem seems to be that, on CCL, probe-file automatically
converts a file whose name starts with a dot into a pathname with no
name, only a type.

E.g.

(pathname-name
 (probe-file
  (make-pathname :defaults (user-homedir-pathname)
                 :name ".bashrc"))) ;=> nil

And then the pathname with no name fails uiop:file-pathname-p.

[Faré (fahree)]

cl -l $l -i "(let ((p (probe-file \".bashrc\"))) (format t \"$l: ~S ~S~%\" (pathname-name p) (pathname-type p)))"

".bashrc" NIL ;; abcl allegro clisp cmucl ecl mkcl sbcl xcl
NIL "bashrc" ;; ccl gcl lispworks

Therefore, uiop:file-pathname-p is probably wrong to assume a file pathname needs a non-nil name.

http://trac.clozure.com/ccl/ticket/1328

[Faré (fahree)]

OK, fixed in 3.1.6.4.