Ant build to compress HTML files recursively using htmlcompressor-1.5.3.jar. Blog post: http://www.miguelmota.com/blog/ant-task-to-compress-html-files/

build.xml

<?xml version="1.0" encoding="UTF-8"?>
<project default="compress-html">

	<target name="compress-html">
		<apply executable="java">
			<fileset dir="src" includes="**/*.html"/>
			<arg value="-jar"/>
			<arg path="lib/htmlcompressor-1.5.3.jar"/>
			<arg line="-t html"/>
			<srcfile/>
			<arg value="-o"/>
			<mapper type="glob" from="*" to="compressed/*"/>
			<targetfile/>
		</apply>
	</target>
	
</project>