ant-test.xml

<project name="xpath-test" default="run">
    <taskdef name="xpath" classname="org.wiztools.ant.xpath.XPathTask"
             classpath="target/ant-xpath-task-1.0-SNAPSHOT.jar"/>
    <target name="run">
        <!-- Multi-result Example -->
        <xpath document="pom.xml"
               xpath="/project/dependencies/dependency/groupId"
               outputproperty="groupIds"
               multinoderesult="true"/>
        <echo>${groupIds}</echo>

        <!-- Single-result Example -->
        <xpath document="pom.xml"
               xpath="/project/version"
               outputproperty="pomVersion"/>
        <echo>${pomVersion}</echo>

        <!-- when there is no match on the path -->
        <xpath document="pom.xml"
               xpath="/project/undefined"
               outputproperty="undefinedNoDefault"/>
        <echo>${undefinedNoDefault}</echo>

        <!-- when there is no match on the path using the defaultValue property -->
        <xpath document="pom.xml"
               xpath="/project/undefined"
               outputproperty="undefinedWithDefault"
               defaultValue="not found"/>
        <echo>${undefinedWithDefault}</echo>
    </target>
</project>