qshell_resource.rb

require 'chef/resource/script'
require 'chef/provider/script'
require 'chef/platform'

class Chef
  class Resource
    class PylabsQshell < Chef::Resource::Script
      
      def initialize(name, run_context=nil)
        super
        @resource_name = :pylabs_qshell
        @interpreter = "/opt/qbase3/qshell -f"
      end

    end
  end
end

Chef::Platform::platforms[:default][:pylabs_qshell] =  Chef::Provider::Script