[STUMP] I cannot get the output of (ext:shell "ls ~") ?

[Michael Raskin]

>The stumpwm is built using clisp-2.49. The stumpwm evaling can display the  
>result of the following function with the help of "with-output-to-string":  
>(Maybe i is better to hack stumpwm to do such a thing as clfswm does)
>
>(defun div618 (p1 p2)
>     (let ((ratio '(0. 0.191 0.236 0.382 0.5 0.618 0.809 1.))
>           (price #'(lambda (r) (if (<= p1 p2) (+ p1 (* (- p2 p1) r)) (- p1  
>(* (- p1 p2) r))))))
>         (with-output-to-string (*standard-output*)
>           (if (<= p1 p2)
>             (dolist (r (reverse ratio)) (format t "-------~3$    
>~$-------~%" r (funcall price r)))
>             (dolist (r ratio) (format t "-------~3$  ~$-------~%" r  
>(funcall price r)))))))
>
>However, both slime and stumpwm evaling cannot display the result of  
>(ext:shell "ls ~").

ext:shell output goes to filedescriptor 1, not even to *standard-output*
and CLisp offers no way to redirect this. There are other way to call 
external programs with more freedom.