题解 | #输出和3306端口建立连接总的各个状态的数目#

#!/bin/bash
ip=$(awk '/tcp/ && /3306/{print $(NF-1)}' nowcoder.txt | sort | uniq | wc -l)
val=$(awk '/tcp/ && /3306/{print $(NF-1)}' nowcoder.txt | wc -l)
echo TOTAL_IP ${ip}
echo ESTABLISHED ${val}
echo TOTAL_LINK ${val}