a shell script for openwrt to sync system clock using ntpclient

synclock

#!/bin/sh

for i in $(seq 0 3)
        do
        server=$i.openwrt.pool.ntp.org
        if ping -c 3 -w 3 $server >/dev/null
                then
                echo $server
                ntpclient -s -h $server
                break
        fi
        done