iscsi session -> device (disk)

#!/bin/bash
# Save the original IFS (Internal Field Seperator)
OLDIFS=$IFS
# Set the IFS to newline
IFS=$'\n'
# Go through the output of the iscsiadm command
for LINE in $(/sbin/iscsiadm -m session -P3); do
        case "$LINE" in
        # If line contains Target:
                *Target:*)
            # Save the target name in a variable
                        TARGET=$(echo $LINE | awk '{print $2}')
                        ;;
        # If line contains Current Portal:
                *"Current Portal:"*)
            # Save the IP, port and session information in a variable
                        PORTAL=$(echo $LINE | awk '{print $3}' | tr ":" "\n")
            # Remove port and session information from the variable
                        PORTAL=(${PORTAL//:3260,1/ })
                        ;;
        # If line contains Attached scsi disk
                *"Attached scsi disk"*)
            # Save the device name in a variable with /dev/ in front
            # to give the full path to the device
                        DEV="/dev/"$(echo $LINE | awk ' {print $4}')
            # Print the found information
                        echo "Target = $TARGET"
                        echo "Portal = $PORTAL"
                        echo "Device = $DEV"
                        echo ""
                        ;;
        esac
done
# Restore the IFS
IFS=$OLDIFS