[Openmcl-devel] Re: Another pathname question

Gary King gwking at cs.umass.edu
Fri Feb 27 05:36:50 PST 2004

Whoopt, my bad about (load-pathname). It's a function I should have 

(defun load-pathname ()
     "Returns a pathname that is useful for merging with filenames to 
get a
complete pathname for a file in the same directory as the one currently 
loaded.  This function is a more portable version of the Common Lisp 
*load-truename*, since not all vendors implemented that correctly."
     (let ((pn   #+allegro (translate-logical-pathname (truename 
                 #+MCL (if *load-truename*
                         (translate-logical-pathname *load-truename*)
                         ;; This makes it work in a fred buffer...
                 #+Lispworks (translate-logical-pathname *load-truename*)
                 #-(or allegro MCL Lispworks)
                 (translate-logical-pathname *load-truename*)))
       (assert (pathnamep pn) (pn)
               "load-pathname* did not return a pathname, it returned ~s;
this might be because it executed in a context where you're not loading 
a file
or because the file is in the current working directory.  In any event, 
will break the code in generic-load-utils, because it works with the 
of pathnames." pn)
       ;; Deal with the lispworks using an empty pathname for 
       ;; if you are loading from the current working directory.
        #-lispworks pn
        (if (null (pathname-directory pn))
          (merge-pathnames pn (current-pathname)) pn))))

As for your fix, it works for me under MCL but not under OpenMCL or 
LispWorks, same problem as before.

On Feb 26, 2004, at 4:02 PM, Octav Popescu wrote:

> One thing that might be problematic is load-pathname. I couldn't find 
> it in the hyperspec index, I don't know if it's part of the standard. 
> There is a *load-pathname* variable however.
Gary Warren King, Lab Manager
EKSL East, University of Massachusetts * 413 577 0176

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history. They actually forget how ignorant we are—that although we have 
achieved incredible manipulative powers, we know next to nothing about 
the real world in which those manipulations will reverberate.
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