#!/bin/sh
hosts="www alf3 friends65 csi193 action1 action2 brigada34 brigada33 seinfeld2 trfs194 hosta hostb hostc trfs193 swat37 swat38 heman130 dukes196 dukes193 dukes194 simpsons2 simpsons1 telnet simpsons129 heman130 ftp seinfeld1"

for host in $hosts
do
	echo -n "Pingueando $host: "
	res=`ping -W1 -c1 $host | grep from`
	if [ -z "$res" ]
	then
		echo 'ERROR!'
	else
		echo "$res"
	fi
done