I don't do much with EG and we don't have GRID, CAS or VA at all. I am not sure why you need to shorten the names. If long file names are the issue I would bring this to SAS as a tech support issue as I would expect to be able to read any valid file name.
Or is the issue that you have multiple files that start the same an have the date as a difference in the name and just want a shorter "name" to use elsewhere in code that doesn't need to change?
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