<?xml version="1.0" encoding="UTF-8"?>

 <project name="testing build script" default="all" basedir=".">

     <target name="all">

         <taskdef name="grepfilter" classname="org.apidesign.infra.ant.GrepFilter"/>

         <grepfilter id="test.filter.set">

             <fileset dir="${dir1}">

                 <include name="${include1}"/>

             </fileset>

         </grepfilter>

         <copy file="${file1}" tofile="${file2}" encoding="utf-8">

             <filterset refid="test.filter.set"/>

         </copy>

     </target>

 </project>