On Sun, 26 Dec 2010, S Mathias <[email protected]> writes: > $ ping -W 1 -c 4 google.com >& /dev/null | grep -q "100% packet loss" && ping > -W 1 -c 4 www.yahoo.com >& /dev/null | grep -q "100% packet loss" || echo "no > internet connection" > no internet connection > > ...both sides "false", because they have no output, because google.com and > www.yahoo.com is reachable. > how come it writes "no internet connection"? [at the longest line] > i just want a "oneliner" that checks if theres "internet connection" or no. :\ > > where did i screw up? 8)
Since both returns false, you should echo "yes", not "no". Cheers. -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected] Archive: http://lists.debian.org/[email protected]
