    # 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