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  • Thanks Tim. But how the loop will return code 0 in case there is no exception in the processing file. Commented Nov 17, 2020 at 4:09
  • @John - we're defining the 0 up at the top, in integer return_code=0. If no errors change that, then that 0 will fall all the way to the bottom of the script and be returned. Commented Nov 17, 2020 at 19:28