如何编写统计一个shell统计某网段的等入个数

~yuan~

如我们网段分成：192.168.1.*~192.168.120.*我如何统计某个网段等入的点数如：192.168.21.*等入的个数！请帮忙指教，本人不懂,刚刚学习。

yongjian

what is "等入个数 "?

~yuan~

对不同网段的登入服务器的点数进行统计，合理分配登入点数！如何实现！

yongjian

sorry, still not quite understand. what is "点数" and "登入点数"? Is this related to IP occupation or any service? you need to explain a bit more clearly.

shizi4838

1. 
   
2. #!/bin/bash
   
3. #filename:ip_sh
   
4. who |awk '{print $NF}'|sed 's/(//g' |sed 's/)//g' | nslookup |sed -n '/Address/p' |awk 'BEGIN{NF=":"}{print $2}' |sed '/#/d' >IPfile
   
5. for ((i=1;i<=120;i++))
   
6. do
   
7.   j=`awk 'BEGIN{FS="."} {if($3=='$i') print $3 }' IPfile |wc -l`
   
8.   echo "192.168.$i.~ : $j"
   
9. done
   

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执行：

1. 
   
2. ./ip_sh
   

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不晓得你是不是我理解的这个意思。