#!/bin/bash

function internet_connection_ok
    {
        clear
        echo "Testing internet connection....please wait..."
        if ping -W 1 -c 4 bix.hu | grep -q "4 received"; then
            if ping -W 1 -c 4 www.yahoo.com | grep -q "4 received"; then echo "NET is OK"; else echo "NO INTERNET CONNECTION"; exit 1; fi
        else clear; echo "NO INTERNET CONNECTION"; exit 1; fi
    }

internet_connection_ok