#!/bin/bash while : do sudo tcpdump -i eth1 -nn -c1 -A src 192.168.52.19 -w capture.pcap sudo tcpdump -r capture.pcap > grostas cat grostas | cut -d" " -f1 >> heure.txt cat grostas | cut -d" " -f2 >> protocole.txt cat grostas | cut -d" " -f3 >> source.txt cat grostas | cut -d" " -f5 >> destination.txt tail -n1 heure.txt tail -n1 protocole.txt tail -n1 source.txt tail -n1 destination.txt done