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How to setup a xml reader for unknown xml structure?

  • March 28, 2019
  • 1 reply
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mwoj
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I'm processing many xml file which can change their structure (various tagging names or position in the hierarchy). No XSD is availible. and even if I build one the new xml can have new tagging so each time I create new reader based on the all new xmls files population to verify if there is a new tagging vs old groups.

Is there any agile way to setup a reader to discover new tags and add them to the reader while reading xml? I can handle new tags later in workspace but I miss the knowledge how to set xml reader to autodiscover and proces new tags by default while I start FME workspace using bat files.

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1 reply

jdh
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  • jdhContributor
  • Contributor
  • March 29, 2019

Without an XDS you can't take the easy route and use a schemaReader.

 

 

What if you used XMLFlattener with Element to Match set to *, (flattening enabled), then the SchemaSetter Custom transformer.

You would end up with all the attributes in an attribute list. You would need to clean it up a bit to remove instance level attributes.

 

 

xmlschema.fmw

 

 

 

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