题解 | #netstat练习4-输出和3306端口#
netstat练习4-输出和3306端口建立连接总的各个状态的数目
https://www.nowcoder.com/practice/5ce76fd1513d4eacae68ad3b2aca1fbb
#! /bin/bash es=`cat nowcoder.txt | grep "3306" | grep "ESTABLISHED" | awk '{c++}END{printf("ESTABLISHED %s",c)}'` cat nowcoder.txt | grep "3306" | awk '{print $5}' | awk -F ":" '{print $1}' | sort | uniq -c | awk '{a+=$1;b++}END{printf("TOTAL_IP %s\nTOTAL_LINK %s\n",b,a)}' | sed "1a $es"