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Editorial Team
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Asked: 2026-06-14T23:11:25+00:00

Version output is: GNU CLISP 2.33 (2004-03-17) (built 2004-05-24 16:21:45) Software: GNU C 3.3.1

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Version output is:

GNU CLISP 2.33 (2004-03-17) (built 2004-05-24 16:21:45)
Software: GNU C 3.3.1 (cygming special) ANSI C program
Features: (CLISP ANSI-CL COMMON-LISP LISP=CL INTERPRETER SOCKETS GENERIC-STREAMS
LOGICAL-PATHNAMES SCREEN FFI UNICODE BASE-CHAR=CHARACTER PC386 WIN32)

A search brings up EXT:MAKE-DIRECTORY but that doesn’t work on this version.

I know it’s a rather old version, but it’s what I have at the moment and I’m having other trouble trying to use the latest version.

I’d like something that will create all directories for a full path, but even just being able to create a single one would be useful.

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1 Answer

  1. Editorial Team

    To create directory foo in the current working directory:

    (ensure-directories-exist "foo/")

    It can also create a whole directory structure for you:

    (ensure-directories-exist "/tmp/lisp/rulez/")

    Note, the slash at the end is important, it won’t work without it.

    Another thing is that it’s possible that you don’t use EXT:MAKE_DIRECTORY correctly. If you just pass to it a string with directory name then it won’t work. You need to use it like this:

     (ext:make-directory (make-pathname :directory '(:relative "foobar")))
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