# File lib/chef/provider/env.rb, line 61
      def compare_value
        if @new_resource.delim
          #e.g. check for existing value within PATH
          not @current_resource.value.split(@new_resource.delim).any? do |val|
            val == @new_resource.value
          end
        else
          @new_resource.value != @current_resource.value
        end
      end