题解 | #netstat练习4-输出3306端#
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
grep 3306 nowcoder.txt | tr -s ' ' | cut -d' ' -f5,6 | sort -t'.' -k1nr -k2nr -k3nr -k4nr | sed 's/:3306//' | awk 'BEGIN{ip=0; tip=0;te=0}{if($1!=ip){tip+=1;ip=$1};if($2=="ESTABLISHED"){te+=1}}END{print "TOTAL_IP "tip"\n""ESTABLISHED "te"\n""TOTAL_LINK "NR}'
