I am just learning python and I need to convert a 2 digit numeric attribute in a table to a 2 digit zero-filled attribute in a script.
For example, 9 needs to be 09.
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This should do the trick (if using ArcGIS 10.1, for ArcGIS 10 you will have to use this update cursor):
First add a empty text field, e.g. textField to your feature class or shapefile.
You can run the below code in PythonWin, ArcMap, or ArcCatalog Python window. Or put it into a .py file and call it from a user created toolbox script tool.
import arcpy fc = "C://temp//Default.gdb//myLayer" # update to your layer fields = ('numField', 'textField') # put your numeric and text field here with arcpy.da.UpdateCursor(fc, fields) as cursor: for row in cursor: if row <= 9: row = '0' + str(row) cursor.updateRow(row)