Netbeans combine library jar and output jar

Combine library jar and executing jars into one jar

 <target name="-post-jar">
        <jar jarfile="dist/Combined-dist.jar">
            <zipfileset src="${dist.jar}" excludes="META-INF/*" />
            <zipfileset src="lib/commons-io-1.4.jar" excludes="META-INF/*" />
            <manifest>
                <attribute name="Main-Class" value="com.example.mypackage.Main"/>
            </manifest>
        </jar>
    </target>