ip4-change

#!/bin/su root

INTERFACE=wlp2s0
GATEWAY=192.168.1.1
BROADCAST=192.168.1.255
IP=$1

#flush all
ip -4 addr flush dev ${INTERFACE}
ip -4 route flush dev ${INTERFACE}

#route creation
ip -4 route add ${GATEWAY} dev ${INTERFACE}
#ip -4 route add ${GATEWAY}/24 dev ${INTERFACE}
ip -4 route add default via ${GATEWAY} dev ${INTERFACE}

#change ip
#ip -4 link set ${INTERFACE} up
#ip -4 addr add ${IP}/24 broadcast ${BROADCAST} dev ${INTERFACE}
#ip -4 route add default via ${GATEWAY}
ip -4 address add ${IP}/24 broadcast + dev ${INTERFACE}