题解 | #netstat练习3-输出每个IP的连接数#

#! /bin/bash
 
 cat nowcoder.txt | grep "tcp" | awk -F ":"  '{print $(NF-1)}' | awk '{print $2}' |
 sort | uniq -c | sort -nk 1 -r | awk '{print $2" "$1}'