Following an example in the chapter on Expressions and filters for xml-processing one can select on an attribute ‘name’ in the node <file name=“whatever”/>

   file[@name=="whatever”]/command(todo) 

However, I would like to select on a combination of alternatives, so that equivalent are

    <file name=“whatever”/> and  <file src=“whatever”/>

I tried several variations but none of them work.

   \xmlfilter{#1}{file([@name=="whatever”] or [@src=="whatever”])/command(todo)

   \xmlfilter{#1}{file[@name=="whatever”] or [@src=="whatever”]/command(todo)

   \xmlfilter{#1}{file[@name=="whatever”] or file[@src=="whatever”]/command(todo)

   \xmlfilter{#1}{(file[@name=="whatever”]|file[@src=="whatever”])/command(todo)

How to? Or is this impossible?

Hans van der Meer

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