Ping Google up to five times to test internet connectivity

test-network-connection.applescript

# Source : http://stackoverflow.com/questions/13224718/check-for-active-internet-connection-with-applescript-automator
repeat with i from 1 to 5
    try
        do shell script "ping -o -t 5 www.google.com"
        exit repeat
    on error
        delay 20
        if i = 5 then error number -128
    end try
end repeat