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Geographic Information Systems

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    Have you tried import os, os.path.join(output_folder,'!match.Filename!')? Commented Dec 5, 2023 at 15:57
  • @aldo_tapia That certainly seems helpful. Are you imagining it within the expression or code block in arcpy.management.CalculateField, or separately? Commented Dec 5, 2023 at 16:14
  • expression needs to end up as a string containing valid python code that can be parsed standalone. Try expression = "'{}' + '!match.Filename!'".format(output_folder) Commented Dec 6, 2023 at 0:25
  • @mikewatt Thank you for the help! That expression returns the correct complete path, but with some extra character surrounding the match.Filename part (e.g., C:/Users/ellah/Downloads/outu"3_in.png" where it should be C:/Users/ellah/Downloads/out/3_in.png). Do you know how to remove the u and the ""s? Commented Dec 7, 2023 at 17:08
  • If output_folder = "C:/Users/ellah/Downloads/" then set the expression = "'{0}'!match.Filename!".format(output_folder) you are getting the u" because you are wrapping the !match.Filename! in ' ' instead of using the pure value from the !match.Filename! field. Commented Dec 7, 2023 at 18:24