Ant target for gzipping multiple files

gzip.xml

<target name="compress">

    <!-- store filenames in a property delimited by ; -->
    <pathconvert pathsep=";" property="compress.jsfiles">
        <fileset dir="${build.dir}" includes="*.js"/>
    </pathconvert>    

    <script language="javascript"><![CDATA[

        importPackage(java.io);
    
        //get the property and convert to an array
        var files = project.getProperty("compress.jsfiles").split(";"),
            gzip,
            i,
            len;

        for (i=0, len=files.length; i < len; i++) {
        
            //create new gzip task
            gzip = project.createTask("gzip");
            gzip.setSrc(new File(files[i]));
            gzip.setDestfile(new File(files[i].replace(".js", ".js.gz")));
            gzip.perform();
        }

    ]]> </script>    
</target>

Thank you very much. This was extremely helpful