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ParseXML ( XML ; tag ; instance ; attribute )

This will parse out data from XML given the tag name, instance to search for, and attribute.

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Mark Geerdes - Show more from this author Technology By Design https://www.tbdmn.com

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

/* This function will parse out data from an XML document given a tag and possible attribute to search for and the instance (occurance) that you want Mark Geerdes 2010 */ Let ([ start = "<" & tag & attribute & ">"; stop = "</" & tag & ">"; instancenum = If ( IsEmpty ( instance ) ; 1 ; instance ); /* default instance is the first one */ first = Position ( XML ; start ; 0 ; instancenum ); firstpos = first + Length ( start ); length = Position ( XML ; stop ; firstpos ; instancenum ) - firstpos ]; Case ( IsEmpty ( XML ) or IsEmpty ( tag ) or PatternCount ( XML ; start ) = 0 ; ""; /* returns nothing if something is blank */ Middle ( XML ; firstpos ; length ) ) ) Click to copy

This will parse out data from XML given the tag name, instance to search for, and attribute. XPath not supported. Better to use Base Elements if you can. If plugins aren't supported, this might help.

 

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