我有一个包含多个数据的日志文件,我想从该文件中过滤 DHCPREQUEST IP,并且我想计算日志文件中对该服务内容的 IP 请求有多少次,如下所示:-
Mar 22 11:20:34 DHCP-IP dhcp: DHCPREQUEST for 10.1.1.1 from aa:00:00:00:00:00 (pc) via 10.1.1.2
Mar 22 11:19:34 DHCP-IP dhcp: DHCPREQUEST for 10.1.1.2 from aa:00:00:00:00:00 (pc) via 10.1.1.2
Mar 22 11:18:34 DHCP-IP dhcp: DHCPREQUEST for 10.1.1.2 from aa:00:00:00:17:00 (pc) via 10.1.1.2
Mar 22 11:16:34 DHCP-IP dhcp: DHCPREQUEST for 10.1.1.1 from aa:00:00:00:00:00 (pc) via 10.1.1.2
Mar 22 11:15:34 DHCP-IP dhcp: DHCPREQUEST for 10.1.1.1 from aa:00:00:00:00:00 (pc) via 10.1.1.2
Mar 22 11:14:34 DHCP-IP dhcp: DHCPREQUEST for 10.1.1.1 from aa:00:00:00:00:00 (pc) via 10.1.1.2
Mar 22 11:12:34 DHCP-IP dhcp: DHCPREQUEST for 10.1.1.1 from aa:00:00:00:00:00 (pc) via 10.1.1.2
Mar 22 11:11:34 DHCP-IP dhcp: DHCPREQUEST for 10.1.1.1 from aa:00:00:00:00:00 (pc) via 10.1.1.2
使用此代码,我使用 grep IP 打印计数,但其显示重复 IP 的计数为 1,还请建议我做错了什么
five_min='Mar 22 11:15:34'
while IFS= read -r line; do
if [[ "$five_min" < "$line" ]]
then
echo "$line" | grep DHCPREQUEST | awk -F " " '{print $8 }' | uniq -c
fi
done < file.txt
最佳答案
您在一行上运行该命令,因此得到 1 是有意义的。
具有以下test.txt:
Mar 22 11:20:34 DHCP-IP dhcp: DHCPREQUEST for 10.1.1.1 from aa:00:00:00:00:00 (pc) via 10.1.1.2
Mar 22 11:20:35 DHCP-IP dhcp: DHCPREQUEST for 10.1.1.1 from aa:00:00:00:00:00 (pc) via 10.1.1.2
Mar 22 11:20:36 DHCP-IP dhcp: DHCPREQUEST for 10.1.1.1 from aa:00:00:00:00:00 (pc) via 10.1.1.2
命令:
grep DHCPREQUEST test | awk '{print $8}' | uniq -c
打印:
3 10.1.1.1
关于linux - uniq -c 不能与 awk 一起使用吗?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/49506889/