In the Unix server, at the prompt enter the following commands: 

  1. prun
  2. eatnparkinv
  3. Enter Start date range
  4. Enter End date range
  5. prun
  6. eatnparkprc


This will generate 3 files in: /users/data/curtze1

YYYYMMDDInvoiceHeaders.txt

YYYYMMDDInvoiceDetails.txt

YYYYMMDDDistributorProducts.txt


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I believe the format YYYYMMDD is used with the first program that was rans end date.