====== Headline ======
===== get PWWN =====
==== Linux ====
  for i in $(ls -d /sys/class/fc_host/host*)
  do 
    printf "%s \t: %s \n" $(echo $i | awk -F "/" '{print $NF }') $(cat $i/port_name) ; 
  done
e.g.
  host1 	 : 0x2100f4e9d4507ce2 
  host16 	 : 0x2100f4e9d4507ce3