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RemoveEmptyNodes ( xml )

This function goes through XML and returns a trimmed down version that has no empty nodes in it.

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Michael Wallace - Show more from this author Empowered Data Solutions http://empowereddatasolutions.com

  Function definition: (Copy & paste into FileMaker's Edit Custom Function window)

// RemoveEmptyNodes ( xml ) Let ([ ~xml = xml ; ~emptyCount = PatternCount ( ~xml ; "></" ) ; ~listToRemove = CustomList ( 1 ; ~emptyCount ; " Let([ ~xml = " & Quote ( ~xml ) & " ; ~posEnd = Position ( ~xml ; \"></\" ; 1 ; [n] ) ; ~posStart = Position ( ~xml ; \"<\" ; ~posEnd ; -1 ) + 1 ; ~node =Middle ( ~xml ; ~posStart ; ~posEnd - ~posStart ) ; ~emptyTag = \"<\" & ~node & \"></\" & ~node & \">\" ; ~emptyTag = if ( PatternCount ( ~xml ; ~emptyTag ) ; ~emptyTag ) ]; ~emptyTag ) " ) ; ~function = "Substitute ( " & Quote ( ~xml ) & ";[\"" & Substitute ( ~listToRemove ; "¶" ; "\";\"\"];[\"" ) & "\";\"\"])" ]; Evaluate ( ~function ) ) Click to copy

This function goes through XML and returns a trimmed down version that has no empty nodes in it. I use it when capturing data with a function like GetFieldsAsXML that will take a list of fields (like from the FieldNames function) and return XML in the format of Data

 

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