[kepler-dev] File exists? actor

Christopher Brooks cxh at eecs.berkeley.edu
Mon Apr 24 10:02:14 PDT 2006

In Ptolemy, there is ptolemy/actor/lib/io/DirectoryListing

    How is it appropriate at this moment to check if a directory/file exists?
    I want to use the directory as information on a running-and-restarted 
    workflow, or just start a new workflow and use the given directory name as 
    new store.
    So I need sth, like:    <filename> ---> Actor ----> true/false
    Is there also a file browser actor somewhere? Or shall I use the 
          Norbert Podhorszki
          University of California, Davis
          Department of Computer Science
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