Author: Stan Eisenstat
Subject: Re: [Cs323] dirs
Date: Saturday, 12 Sep 2020, 09:29:17

    > Message Posted By: Unknown
    >
    > What happens if we cant open a directory during traversal? Are we supposed
    > return in the dfs and continue on with the next directory/files if there
    > are any.

Yes, if the traversal is preorder.

But if the traversal is postorder, fiend must evaluate
EXPRESSION on the directory before returning.  (This is
the bug discussed in my last posting.)

--Stan-