Speedtest ssh connection - bash function

speedtestssh.sh

speedtestssh() {
        # Verify we have a host to check agains
        [[ -z "$1" ]] && {
                echo "You must provide an ssh host" ;
                return;
        }

        RED='\033[0;31m'
        NC='\033[0m' # No Color
        echo -e "\n${RED}Press CTRL-C to exit test${NC}\n";

        yes | pv | ssh $1 "cat > /dev/null"
}