al-skel/home/bin/check-network

#!/usr/bin/env bash

count=0
disconnected="/"
disconnected2="\\"
wireless_connected=""
ethernet_connected=""

while true; do
    if ping -c1 archlabslinux.com &>/dev/null || ping -c1 bitbucket.org &>/dev/null || ping -c1 github.com &>/dev/null; then

        # avoid checking what type of interface it is every loop
        if (( count < 1 )); then
            ID="$(ip link | awk '/state UP/ {print $2}')"
            ((count++))
        fi

        if [[ $ID == e* ]]; then
            echo "$ethernet_connected" ; sleep 20
        else
            echo "$wireless_connected" ; sleep 20
        fi

    else
        echo "$disconnected" ; sleep 0.6
        echo "$disconnected2" ; sleep 0.6
    fi
done