build.xml

<?xml version="1.0" encoding="UTF-8"?>
<project name="ruby-from-java" default="all">
  
  
  <property file="src/ruby-from-java.properties"/>
  
  <path id="classpath">
    <pathelement location="${jruby.home}/lib/jruby.jar"/>
    <pathelement path="." />
    <pathelement path="src/"/>
  </path>
  

  <target name="clean" description="cleanup all">
      <delete file="Sample.class"/>
  </target>

  <target name="build" description="build">
      <javac srcdir="src" destdir="."/>
  </target>

  <target name="run" description="executes sample">
      <java classname="Sample" classpathref="classpath" />
  </target>

  <target name="all" depends="clean, build, run" description="build all"/>
</project>