# 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