$ true && true || echo hi $ true && false || echo hi hi $ false && true || echo hi hi $ false && false || echo hi hi $ 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 $ ping -W 1 -c 4 google.com >& /dev/null | grep "100% packet loss" $ ping -W 1 -c 4 www.yahoo.com >& /dev/null | grep "100% packet loss" $
...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) -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/471466.28989...@web121403.mail.ne1.yahoo.com