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programmatically join/merge two XML files

Posted on 2002-03-12
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Last Modified: 2013-12-03
How do I programmatically join/merge two XML files (or larded as dataset) in the way that no repetitions of elements/nodes
will occur, just like what SQL statements can do to datasets?
The XML files are having similar structure and elements are separated by id attributes.

Thanks,
Neural
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Question by:neural
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Tommy Hui earned 200 total points
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There's no built-in way of doing that. You will have to write code to do that yourself. You will need to load the XML documents and traverse them with DOM. With DOM, you will be able to enumerate through the nodes from one document and search for it in the other document. If the search failed, then add it to the resulting DOM. Finally, save this DOM to disk.
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