查询本机ip

(){
    local IP=$( ip addr | egrep -o '[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}' | egrep -v "^192.168|^172.1[6-9].|^172.2[0-9].|^172.3[0-2].|^10.|^127.|^255.|^0." | head -n 1 )
    [ -z ${IP} ] && IP=$( wget -qO- -t1 -T2 ipv4.icanhazip.com )
    [ -z ${IP} ] && IP=$( wget -qO- -t1 -T2 ipinfo.io/ip )
    echo ${IP}
}

echo $(get_ip)