[kepler-dev] File exists? actor

Norbert Podhorszki pnorbert at cs.ucdavis.edu
Mon Apr 24 10:33:13 PDT 2006

directory listing throws an exception if the directory does not exist.
I need just a true or false so I can branch in the worfklow.

The FileExist expression: I've never heard about this. I know only about 
the String methods. How can I use this?


On Mon, 24 Apr 2006, Ilkay Altintas wrote:

> There is a directory listing actor that you can do some processing on the 
> outputs.
> You can also use the Expression actor with the FileExists expression.
> HTH,
> -ilkay

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