Network indicator for lemonbar

network_bar.sh

network() {
	eth0=$(cat /sys/class/net/eth0/carrier 2>/dev/null)
	wlan0=$(cat /sys/class/net/wlan0/carrier 2>/dev/null)
	vpn=$(cat /sys/class/net/ppp0/carrier 2>/dev/null)

	if [[ $vpn -eq 1 ]]; then
    	echo -e '\uf084'
    	ping -W 1 -c 1 8.8.8.8 >/dev/null 2>&1 && echo -e '\uf00c ' || echo -e '\uf00d'
	elif [[ $eth0 -eq 1 ]] && [[ $vpn -ne 1 ]]; then
    	echo -e '\uf0ac'
    	ping -W 1 -c 1 8.8.8.8 >/dev/null 2>&1 && echo -e '\uf00c ' || echo -e '\uf00d'
	elif [[ $wlan0 -eq 1 ]] && [[ $vpn -ne 1 ]] && [[ $eth0 -ne 1 ]]; then
    	echo -e '\uf1eb'
    	ping -W 1 -c 1 8.8.8.8 >/dev/null 2>&1 && echo -e '\uf00c ' || echo -e '\uf00d'
	fi
}