Hi, I followed this code here, with slight modification to switch from csv to xlsx: https://documentation.sas.com/?docsetId=mcrolref&docsetTarget=n0ctmldxf23ixtn1kqsoh5bsgmg8.htm&docsetVersion=9.4&locale=en which allowed me to import all the files in my directory into SAS. What I would like to do now is to only import unique xlsx files moving forward, how would I go about doing this?
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