al. Instead of using <CODE>glob</CODE>, we could
use the <CODE>subdirs</CODE> function, returns each of the directories in a hierarchy. For example, this
is the result of evaluating the <CODE>subdirs</CODE> function in the omake project root. The <CODE>P</CODE>
option, passed as the first argument, specifies that the listing is &#X201C;proper,&#X201D; it should not
include the <CODE>omake</CODE> directory itself.</P><PRE CLASS="verbatim">    osh&gt; subdirs(P, .)
    - : &lt;array
            /home/jyh/.../