更新时间:2022-10-01 18:19:56
临时检测局域网中未使用的IP地址
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#!/bin/bash echo "检测局域网中未使用的IP地址2015"
echo ""
processbar() {
local current=$1; local total=$2;
local maxlen=80; local barlen=66; local perclen=14;
local format = "%-${barlen}s%$((maxlen-barlen))s" local perc= "[$current/$total]" local progress=$((current*barlen /total ))
local prog=$( for i in ` seq 0 $progress`; do printf '#' ; done )
printf "\r$format" $prog $perc
}
for i in ` seq 1 254`; do processbar $(($i*100 /254 )) 100
/usr/bin/arping -I eth0 -c 1 192.168.10.$i | grep -B 2 "Received 0" | head -1 >> mac$( date +%Y%m%d).txt ;
done
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程序中循环进度条参考自:http://blog.csdn.net/wxqee/article/details/38332141
或者使用
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#!/bin/bash echo 查找未使用的IP地址,通过检测MAC,来找,如果没有开机,无法找到!
for (( i=1 ; i<254; i++ ))
do
/usr/bin/arping -I eth0 -c 1 192.168.0.$i | grep -B 2 "Received 0" | grep "192.168.0." >>mac$( date +%Y%m%d).txt ;
# sleep 3
echo -e "--> $(($i*100/254)) % \c " done
echo 100%执行完毕,已输出到当前目录下的mac$( date +%Y%m%d).txt文件,请查看!
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