Re: [xsl] Return the max value of a set of nodes using FLWR

["G. Ken Holman" <gkholman@xxxxxxxxxxxxxxxxxxxx>]

At 2012-05-25 08:10 -0400, Philip Vallone wrote:
> How can I return the max value of a set of nodes using FLWR? In this 
> example I want to return:
> ...
> <xsl:sequence select="for $x in changenumber return number(max($x))"/>

You've gone too deep ... you want to stop one level "up" and get the 
maximum of each of the sets.

I hope this helps.

. . . . . . Ken

T:\ftemp>type philip.xml
<data>
        <set>
                <changenumber>0</changenumber>
                <changenumber>3</changenumber>
                <changenumber>0</changenumber>
        </set>
        <set>
                <changenumber>0</changenumber>
                <changenumber>2</changenumber>
                <changenumber>1</changenumber>
        </set>
        <set>
                <changenumber>0</changenumber>
        </set>
</data>

T:\ftemp>xslt2 philip.xml philip.xsl
<?xml version="1.0" encoding="UTF-8"?>3 2 0
T:\ftemp>type philip.xsl
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
  version="2.0">
  <xsl:template match="/">
    <xsl:sequence select="for $s in /data/set return max($s/changenumber)"/>
  </xsl:template>
</xsl:stylesheet>
T:\ftemp>


--
Public XSLT, XSL-FO, UBL and code list classes in Europe -- Oct 2012
Contact us for world-wide XML consulting and instructor-led training
Free 5-hour lecture: http://www.CraneSoftwrights.com/links/udemy.htm
Crane Softwrights Ltd.            http://www.CraneSoftwrights.com/s/
G. Ken Holman                   mailto:gkholman@xxxxxxxxxxxxxxxxxxxx
Google+ profile: https://plus.google.com/116832879756988317389/about
Legal business disclaimers:    http://www.CraneSoftwrights.com/legal