contrib/ant/example.xml

<?xml version="1.0"?>
<!--
To use this example from a source checkout:
   ant -f example.xml -lib ../../build/contrib/ant/ -lib ../../build/ -lib lib
-->
<project name="ant-example" default="index">

  <description>
    Lucene Ant index example
  </description>

  <property name="index.base.dir" location="build"/>
  <property name="files.dir" location="src/test"/>

  <target name="index">
    <mkdir dir="${index.base.dir}"/>

    <index index="${index.base.dir}/index"
           xmlns="antlib:org.apache.lucene.ant">
      <fileset dir="${files.dir}"/>
    </index>
  </target>

</project>