[Swift-user] Staging problem

[Michael Wilde]

Jon, 


The standard approach for handling apps that conditionally return a required data file is to run them through a wrapper script (typically a tiny shell script) which ensures that the conditional file is *always* created, even if its empty in cases where the real app did not create it. 


- Mike 

----- Original Message -----




Hello, 
I have a staging question. I have a metadata file that I read out of and do some mapping. I then run an app on this mapping. However some of the metadata is false occasionally. Because of this my app doesn't create the outfile and swift errors because there is no outfile to stage out. How do I tell swift that if there is no outfile, don't worry about staging out? 
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-- 
Michael Wilde 
Computation Institute, University of Chicago 
Mathematics and Computer Science Division 
Argonne National Laboratory 

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