I wonder what sort of data you have in 6000 excel documents, and it's not clear what you want to do.
Are your excel sheets all with a common set of columns, so they can be read with the same code? Do you want a single big SAS data set as output, or do you want individual SAS data sets per sheet? Do you have one or more sheets per excel file? Is this a one-shot or something that should end as production code?
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