I'm working on a little script that will generate an html page from a
directory full of symlinks to target directories.  However in some
cases there may be symlinks that point to regular files.

How can perl tell the difference.  Or rather how can I test the
symlink to see if it points at a real openable directory.

Looking through  the `stat' function, I'm not imagining a way to get at the
target of the symlink for a test.


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