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Shapefile name to Field Name

JamesWhite5

Good afternoon. I am trying to figure out how to write a script in Python with extremely little experience. I have been pouring through forums here and at Stack Exchange, but everything seems to be a little out of date.

I have ~200 shapefiles that I merged into a single featureclass within a geodatabase. I am using a schema that has the field "NAME" in it. I am trying to take the name of the individual shapefiles (x27y407.shp for example) and write that name, minus the .shp, into the NAME field.

Most of the code I am finding to try and work with seems like it is using python 9 or earlier, so am having a hard time trying to piece it together.

Any help would be greatly appreciated.

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Accepted answers

JoeBorgione

You'll want to be sure to update name field before you merge. Once you get going on this, post up any questions you have as you go along...

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JamesWhite5

Joe,

Thank you for the replies on this. I did find it way easier to just add the field FILE_NAME to the shapefile attributes, then merge the schema I needed with the shapefile to create a new .gdb file, then just used field calculator to get rid of NULLs and move the file names over.

Thank you again.

JoeBorgione

You'll want to be sure to update name field before you merge. Once you get going on this, post up any questions you have as you go along...

JamesWhite5

Thank you. I will look into that.

And yes, I think I did the merge too quick. I think I need to create the NAME field, then merge, and then I can just use the field calculator to populate the NAME field I really need populated.

JoeBorgione

You've already done the merge? Not sure how you can recoup the origin name after the fact.

Are you using Python and Arcpy? If so you could try:

Create a list of all the shapefiles in a given directory: Python os.listdir() Method - Tutorialspoint

Step through that list and for each shapeFile.shp, 'slice' the name out of it: Python String split() Method - Tutorialspoint

Join the name back to a string: Python String join() Method - Tutorialspoint

And finally use arcpy to calculate the value of the field in question to that string: Calculate Field (Data Management)—ArcGIS Pro | Documentation

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