Reading a bunch of dynamically changing XML files and identifying the changes

We have faced recently a project where we were supposed to read a stream of daily XML files and concatenate them into a long-term reporting app.

The challenge: even though Qlik has a pretty cool XML importing wizard, this is ok only if you know that your relational structure translation is not changing (which was not our case).
So we had to dump the XML wizard and start from scratch.

It looks like we did it, in the end…

(Learned some new QlikView™ functions on this occasion, as well… 😉)

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