openwrt-packages/net/apfree-wifidog/files/wdping

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#!/bin/sh
IP=$1
[ -x /usr/sbin/fping ] && {
fping -t 100 -c 1 $IP &> /dev/null && echo 1 || echo 0
} || {
ping -w 1 -c 1 $IP &> /dev/null && echo 1 || echo 0
}