stability.sh

#!/usr/bin/bash

 trap 'echo; exit 2' 2

 [[ "$1" == "-n" ]] && {
	shift
        :
 } || {
        clear
 }

 [[ "$1" == "-t" || "$1" == "-l" ]] && {
        shift
        echo "Stability test '$1'"
        shift

 }

 [[ "$1" ]] || exec $0 google.cz seznam.cz rychlost.cz vutbr.cz www.fit.vutbr.cz www.czc.cz nic.cz volny.cz img.ly

 (
        while [[ "$1" ]] ; do
		ping -Aqc 100 "$1"
		sleep 0.5
		shift

	done

 ) | grep -vE "^PING "