anchor.diff:  
   if [ ! -f $PIDFILE ]; then
     echo "$(date): PIDFILE does not exist"
  -  echo 0
  +  echo 0 >&3
     exit 0
   fi
   
  
positive.code: LOGFILE=$LOG_DIR/drain.log
  LISTEN_ADDR=<%= p("diego.rep.listen_addr") %>
  
  exec 1>> $LOGFILE
  exec 2>> $LOGFILE
  
  
negative.code:   done
  
    echo "$(date): rep exited"
    echo 0 >&3
    exit 0
  else
    echo "$(date): rep exited"
    echo 0 >&3
  fi
  