kotlin-fork/compiler/testData/integration/ant/js/bothPrefixAndPostfix/build.xml

<project name="Ant Task Test" default="build">
  <taskdef resource="org/jetbrains/kotlin/ant/antlib.xml" classpath="${kotlin.lib}/kotlin-ant.jar"/>

  <target name="build">
    <kotlin2js src="${test.data}/root1"
               output="${temp}/out.js"
               outputPrefix="${test.data}/prefix"
               outputPostfix="${test.data}/postfix">
      <compilerarg value="-Xforce-deprecated-legacy-compiler-usage"/>
    </kotlin2js>
  </target>
</project>