topic How to check of a field exists in arcpy.FieldMappings in ArcGIS API for Python Questions https://community.esri.com/t5/arcgis-api-for-python-questions/how-to-check-of-a-field-exists-in-arcpy/m-p/826609#M3034 <HTML><HEAD></HEAD><BODY><P>Hello everyone,</P><P></P><P>Is there a way to check if a field exits in a&nbsp;<SPAN>arcpy.FieldMappings</SPAN></P><P></P><P>fieldmappings = arcpy.FieldMappings()<BR /> fieldmappings.addTable(fc1)<BR /> fieldmappings.addTable(fc2)</P><P></P><P>if fieldmappings.findFieldMapIndex("SHAPE_LEN") &nbsp; ?????? &nbsp;how to check that this field exists to remove it?<BR />&nbsp; print"not found"</P></BODY></HTML> Mon, 08 May 2017 16:21:42 GMT JoseSanchez 2017-05-08T16:21:42Z How to check of a field exists in arcpy.FieldMappings https://community.esri.com/t5/arcgis-api-for-python-questions/how-to-check-of-a-field-exists-in-arcpy/m-p/826609#M3034 <HTML><HEAD></HEAD><BODY><P>Hello everyone,</P><P></P><P>Is there a way to check if a field exits in a&nbsp;<SPAN>arcpy.FieldMappings</SPAN></P><P></P><P>fieldmappings = arcpy.FieldMappings()<BR /> fieldmappings.addTable(fc1)<BR /> fieldmappings.addTable(fc2)</P><P></P><P>if fieldmappings.findFieldMapIndex("SHAPE_LEN") &nbsp; ?????? &nbsp;how to check that this field exists to remove it?<BR />&nbsp; print"not found"</P></BODY></HTML> Mon, 08 May 2017 16:21:42 GMT https://community.esri.com/t5/arcgis-api-for-python-questions/how-to-check-of-a-field-exists-in-arcpy/m-p/826609#M3034 JoseSanchez 2017-05-08T16:21:42Z Re: How to check of a field exists in arcpy.FieldMappings https://community.esri.com/t5/arcgis-api-for-python-questions/how-to-check-of-a-field-exists-in-arcpy/m-p/826610#M3035 <HTML><HEAD></HEAD><BODY><P>One way of doing it is:</P><PRE class="lia-code-sample line-numbers language-none"><CODE>fldIdx <SPAN class="operator token">=</SPAN> fieldmappings<SPAN class="punctuation token">.</SPAN>findFieldMapIndex<SPAN class="punctuation token">(</SPAN><SPAN class="string token">"&lt;field&gt;"</SPAN><SPAN class="punctuation token">)</SPAN> <SPAN class="keyword token">if</SPAN> fldIdx <SPAN class="operator token">&gt;</SPAN> <SPAN class="operator token">-</SPAN><SPAN class="number token">1</SPAN><SPAN class="punctuation token">:</SPAN> &nbsp;&nbsp;&nbsp; fieldmappings<SPAN class="punctuation token">.</SPAN>removeFieldMap<SPAN class="punctuation token">(</SPAN>fldIdx<SPAN class="punctuation token">)</SPAN>‍‍‍‍‍‍‍‍‍‍<SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN></CODE></PRE></BODY></HTML> Sun, 12 Dec 2021 09:57:04 GMT https://community.esri.com/t5/arcgis-api-for-python-questions/how-to-check-of-a-field-exists-in-arcpy/m-p/826610#M3035 KaushikMysorekar 2021-12-12T09:57:04Z Re: How to check of a field exists in arcpy.FieldMappings https://community.esri.com/t5/arcgis-api-for-python-questions/how-to-check-of-a-field-exists-in-arcpy/m-p/826611#M3036 <HTML><HEAD></HEAD><BODY><P>For future reference, this appears to be an ArcPy question, not an ArcGIS API for Python question.&nbsp; The <A href="https://community.esri.com/community/developers/gis-developers/python?sr=search&amp;searchId=6b7dbc24-801d-42d7-b998-4599b3565621&amp;searchIndex=1">https://community.esri.com/community/developers/gis-developers/python?sr=search&amp;searchId=6b7dbc24-801d-42d7-b998-4599b3565621&amp;searchIndex=1</A>‌ space is a higher-visibility area for ArcPy-related questions.</P><P></P><P><A href="https://community.esri.com/docs/DOC-1544-geonet-community-structure?sr=search&amp;searchId=cc7f9fc1-bd8e-4733-904b-a21378d212df&amp;searchIndex=0">https://community.esri.com/docs/DOC-1544-geonet-community-structure?sr=search&amp;searchId=cc7f9fc1-bd8e-4733-904b-a21378d212df&amp;searchIndex=0</A>‌</P></BODY></HTML> Mon, 08 May 2017 19:21:26 GMT https://community.esri.com/t5/arcgis-api-for-python-questions/how-to-check-of-a-field-exists-in-arcpy/m-p/826611#M3036 JoshuaBixby 2017-05-08T19:21:26Z