The revXMLEvaluateXPath function returns the data set resulting from
evaluating the xpath expression against the specified xml tree. For
instance, given xml data of
<?xml version="1.0" encoding="ISO-8859-1"?>
<bookstore>
<book category="COOKING">
<title lang="en">Everyday Italian</title>
<author>Giada De Laurentiis</author>
<year>2005</year>
<price>30.00</price>
</book>
<book category="CHILDREN">
<title lang="en">Harry Potter</title>
<author>J K. Rowling</author>
<year>2005</year>
<price>29.99</price>
</book>
<book category="WEB">
<title lang="en">XQuery Kick Start</title>
<author>James McGovern</author>
<author>Per Bothner</author>
<author>Kurt Cagle</author>
<author>James Linn</author>
<author>Vaidyanathan Nagarajan</author>
<year>2003</year>
<price>49.99</price>
</book>
<book category="WEB">
<title lang="en">Learning XML</title>
<author>Erik T. Ray</author>
<year>2003</year>
<price>39,95</price>
</book>
</bookstore>
</xml>
then
put "/bookstore/book[price<40]/" into pXPathExpression
put revXMLEvaluateXPath(pDocID, pXPathExpression)
gives you
bookstore/book[1]
bookstore/book[2]
bookstore/book[4]
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