ssh to an iCloud connected mac using Back To My Mac

sshtomymac.sh

#!/bin/bash

ACCOUNT=$(echo "show Setup:/Network/BackToMyMac" | scutil | sed -n 's/.* : *\(.*\).$/\1/p')

if [ ! -n "$1" ]; then
    echo "ssh to which Mac? "
    read MAC

    # Uncomment the following two lines if you need to login to the remote host with a different user than the current local user.
    #echo "As who? "
    #read USER

    if [[ USER ]]; then
        ssh $USER"@"$MAC"."$ACCOUNT
    else
        ssh $MAC"."$ACCOUNT
    fi
else
    ssh $1"."$ACCOUNT
fi