AnyConnect CLI on macOS

anyconnect.sh

#!/bin/sh

USERNAME=user_name
HOST=vpn.example.com

vpn=/opt/cisco/anyconnect/bin/vpn

case "$1" in
    connect )
        shift
        printf "$USERNAME\n$1\ny" | $vpn -s connect $HOST > /dev/null && echo Connected successfully!
        ;;
    disconnect )
        $vpn disconnect
        ;;
    status )
        $vpn state
        ;;
    * )
        # print usage
        echo "$0 [-h] [command] [args]"
        echo "   -h                        print this usage info"
        echo "   connect <RSA passcode>    connect with RSA passcode"
        echo "   disconnect                disconnect if connected currently"
        echo "   status                    show current status"
        ;;
esac