How to use Linux shell command filter the IP address All In One
如何使用 Linux shell 命令过滤 IP 地址
question
How to filter out the really useful IP address from long strings?
如何从长字符串中过滤出真正有用的 IP 地址？
$ cat ./dd-ip-notice-robot.sh
$ ./dd-ip-notice-robot.sh
My IP address is 192.168.18.135 fd80:eae6:1258:0:d1c5:2a7f:abad:cbb5
标签：use,shell,sed,IP,notes,Perl,version,perl,changes
From： https://www.cnblogs.com/xgqfrms/p/17324587.html