<?xml version="1.0"?> <project name="Apache Ant Properties Project" basedir="."> <fileset dir="." id="uptodate.id"> <include name="src/jstl/One.java"/> </fileset> <condition property="is.fileset"> <isreference refid="uptodate.id" type="fileset"/> </condition> <target name="fileset-prepare"> <echo message="Value of is.fileset = ${is.fileset}"/> </target> </project>