awk打印倒数第2列

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cat 1-iplist.txt | awk '{ print $(NF-2) }'|wc

　　

实际示例： 打印nginx日志中 变量request_time超过3秒的日志信息 

 

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[root@dataline-prod scripts]# cat /var/log/nginx/access.log |awk '{print $0}'|awk -F '"' ' $(NF-1)>3 '

125.121.14.250 - - [29/Oct/2018:09:39:54 +0800] "GET /api/item/hot-item-list?firstCategoryName=%E4%B8%8A%E8%A1%A3&secondCategoryName=%E6%A3%89%E7%BE%BD%E7%BB%92%E6%9C%8D&shopFilterStatus=1&dateRangeStatus=2&minPrice=100200&maxPrice=&shopStyle=&shopType=&itemColor=&shopLikeName=&business=%E5%A5%B3%E8%A3%85&rankStatus=&startDate=2018-10-21&endDate=2018-10-28&pageNo=1&pageSize=20 HTTP/1.1" 200 185 "https://www.zhiyitech.cn/page/dataline/recommend" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.0 Safari/605.1.15" "-" "3.041"

125.121.14.250 - - [29/Oct/2018:09:39:56 +0800] "GET /api/item/hot-item-list?firstCategoryName=%E4%B8%8A%E8%A1%A3&secondCategoryName=%E6%A3%89%E7%BE%BD%E7%BB%92%E6%9C%8D&shopFilterStatus=1&dateRangeStatus=2&minPrice=10020&maxPrice=&shopStyle=&shopType=&itemColor=&shopLikeName=&business=%E5%A5%B3%E8%A3%85&rankStatus=&startDate=2018-10-21&endDate=2018-10-28&pageNo=1&pageSize=20 HTTP/1.1" 200 185 "https://www.zhiyitech.cn/page/dataline/recommend" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.0 Safari/605.1.15" "-" "4.957"

125.121.14.250 - - [29/Oct/2018:09:40:22 +0800] "GET /api/item/hot-item-list?firstCategoryName=%E4%B8%8A%E8%A1%A3&secondCategoryName=%E5%A4%B9%E5%85%8B&shopFilterStatus=1&dateRangeStatus=2&minPrice=10050&maxPrice=&shopStyle=&shopType=&itemColor=&shopLikeName=&business=%E5%A5%B3%E8%A3%85&rankStatus=&startDate=2018-10-21&endDate=2018-10-28&pageNo=1&pageSize=20 HTTP/1.1" 200 185 "https://www.zhiyitech.cn/page/dataline/recommend" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.0 Safari/605.1.15" "-" "3.085"

 

 

reqeust_time 信息位于日志的最后一列