a tastier beverage

gistfile1.sh

# ping with UTC time
pint(){
    local TIMEOUTOPT='W'

    case "`uname -s`" in
    Darwin) TIMEOUTOPT='t' ;; # -t (seconds) timeout for mac/bsd
    Linux)  TIMEOUTOPT='W' ;; # -W (seconds) timeout for linux 
    *) echo "pint() Unsupported system" ; return 1 ;;
    esac

    while true; do
        echo -n "`date -u '+%FT%TZ'` ping $1   "
        ping -c1 -${TIMEOUTOPT}1 $1 | grep '_[rs]eq' || echo
        sleep 1
    done
}