topic Field Calculate in Python Script in Python Questions https://community.esri.com/t5/python-questions/field-calculate-in-python-script/m-p/39288#M3113 <HTML><HEAD></HEAD><BODY><SPAN>Hi,</SPAN><BR /><BR /><SPAN>I am trying to use the field calculator in a stand alone python script. I am trying:</SPAN><BR /><BR /><SPAN>expression = '(!"infield"!)*2'</SPAN><BR /><SPAN>arcpy.CalculateField_management(inshape,infield,expression,"PYTHON").</SPAN><BR /><BR /><SPAN>I am getting this error: ExecuteError: ERROR 000539: Invalid field "infield".</SPAN><BR /><BR /><SPAN>I think the syntax is right... any thoughts are greatly appreciated.</SPAN><BR /><BR /><SPAN>Thanks!</SPAN></BODY></HTML> Tue, 03 Dec 2013 23:25:43 GMT AndrewRadford 2013-12-03T23:25:43Z Field Calculate in Python Script https://community.esri.com/t5/python-questions/field-calculate-in-python-script/m-p/39288#M3113 <HTML><HEAD></HEAD><BODY><SPAN>Hi,</SPAN><BR /><BR /><SPAN>I am trying to use the field calculator in a stand alone python script. I am trying:</SPAN><BR /><BR /><SPAN>expression = '(!"infield"!)*2'</SPAN><BR /><SPAN>arcpy.CalculateField_management(inshape,infield,expression,"PYTHON").</SPAN><BR /><BR /><SPAN>I am getting this error: ExecuteError: ERROR 000539: Invalid field "infield".</SPAN><BR /><BR /><SPAN>I think the syntax is right... any thoughts are greatly appreciated.</SPAN><BR /><BR /><SPAN>Thanks!</SPAN></BODY></HTML> Tue, 03 Dec 2013 23:25:43 GMT https://community.esri.com/t5/python-questions/field-calculate-in-python-script/m-p/39288#M3113 AndrewRadford 2013-12-03T23:25:43Z Re: Field Calculate in Python Script https://community.esri.com/t5/python-questions/field-calculate-in-python-script/m-p/39289#M3114 <HTML><HEAD></HEAD><BODY><SPAN>check the examples in calculatefield_management, I think your double quotes are wrong in the expression</SPAN></BODY></HTML> Wed, 04 Dec 2013 03:15:54 GMT https://community.esri.com/t5/python-questions/field-calculate-in-python-script/m-p/39289#M3114 DanPatterson_Retired 2013-12-04T03:15:54Z