检查一个范围内ip存活
时间：2010-12-02 来源：非洲乌龟
#!/bin/bash
i=0
for var in {1..254}
do
ping -c 2 192.168.1.$var >/dev/null 2>&1
status=$?
if [ $status = 0 ];then
echo "ping 192.168.1.$var is up" >>up.txt
else
echo "ping 192.168.1.$var is down" >>down.txt
fi
done
i=0
for var in {1..254}
do
ping -c 2 192.168.1.$var >/dev/null 2>&1
status=$?
if [ $status = 0 ];then
echo "ping 192.168.1.$var is up" >>up.txt
else
echo "ping 192.168.1.$var is down" >>down.txt
fi
done
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