Puppet users - Oct 2011 - Use of function_defined in custom function

Hi Folks

I got a problem using the defined function in my custom function.

In our Puppet environment we have some "xml files", where our service
dependent things are stored.
I wrote a custom function which catches a "puppet-part" inside the xml
and creates resources with the create_resources function.
That workts fine.

BUT if a resource is defined more than once i got the duplicate
definition error (makes sense!).
I tried catching this error with the defined() function. This always
result in "false".

Can anybody tell me what i''m doing wrong?!?

Here''s my custom function:

require ''rexml/document''
module Puppet::Parser::Functions
  newfunction(:svc_to_resource2) do |args|
    Puppet::Parser::Functions.autoloader.loadall
    @xmlfile = args[0]
    file = File.new( "#{@xmlfile}" )
    doc = REXML::Document.new file
    doc.elements.each("/service/puppet/resource") {
      |element|
        @rname = element.attributes["name"]
        @rtype = element.attributes["type"]
        myresource = {
          @rname => {
          }
        }
      element.elements.each("/service/puppet/
resource[@name=''#{@rname}'']/attribute") {
        |subelement|
          @aname = subelement.attributes["name"]
          @avalue = subelement.get_text.to_s
          myresource[@rname][@aname] = @avalue
        }
       if not function_defined("#{@rtype}[#{@rname}]")
          function_create_resources(@rtype, myresource)
       end
      }
  end
end

Thanks in advance!
Bob

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