rexml_example.txt

  # sample xml
  # I want to remove both filter sections after matching filter-name on 'psfilter'
  <filter>
    <filter-name>psfilter</filter-name>
    <filter-class>psft.pt8.psfilter</filter-class>
		<async-supported>true</async-supported>
  </filter>
  <filter-mapping>
    <filter-name>psfilter</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>
 
 
 Using xml-fragment module in puppet which uses REXML from ruby
 
 relevant code here
 
 https://github.com/Areson/xml_fragment/blob/master/lib/puppet/util/xml_file.rb#L152
 
def remove_tag(xpath)			
    @document.elements.delete_all(xpath)							
end