filexref.icn: Program to cross-reference files by components

Usage:

            dir dir1 /b /a:d > dirlist
            filexref < dirlist

Note:

            Dir does not preface its results with the parent directory
            - take care!

Options:

   -D       Produce an ascii delimited file
   -h       Exclude hidden files
   -n       Page Length ... must be integer >= 25