    # File lib/chef/provider/erl_call.rb, line 40
          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}"

            converge_by("run erlang block") do
              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
          end