    # File lib/chef/provider/erl_call.rb, line 36
          def action_run
            case @new_resource.name_type
            when "sname"
              node = "-sname #{@new_resource.node_name}"
            when "name"
              node = "-name #{@new_resource.node_name}"
            end

            if @new_resource.cookie
              cookie = "-c #{@new_resource.cookie}"
            else
              cookie = ""
            end

            if @new_resource.distributed
              distributed = "-s"
            else
              distributed = ""
            end

            command = "erl_call -e #{distributed} #{node} #{cookie}"

            begin
              pid, stdin, stdout, stderr = popen4(command, :waitlast => true)

              Chef::Log.debug("#{@new_resource} running")
              Chef::Log.debug("#{@new_resource} command: #{command}")
              Chef::Log.debug("#{@new_resource} code: #{@new_resource.code}")

              @new_resource.code.each_line { |line| stdin.puts(line.chomp) }

              stdin.close

              Chef::Log.debug("#{@new_resource} output: ")

              stdout_output = ""
              stdout.each_line { |line| stdout_output << line }
              stdout.close

              stderr_output = ""
              stderr.each_line { |line| stderr_output << line }
              stderr.close

              # fail if stderr contains anything
              if stderr_output.length > 0
                raise Chef::Exceptions::ErlCall, stderr_output
              end

              # fail if the first 4 characters aren't "{ok,"
              unless stdout_output[0..3].include?('{ok,')
                raise Chef::Exceptions::ErlCall, stdout_output
              end

              @new_resource.updated_by_last_action(true)

              Chef::Log.debug("#{@new_resource} #{stdout_output}")
              Chef::Log.info("#{@new_resouce} ran successfully")
            ensure
              Process.wait(pid) if pid
            end

          end