Andy's blog

grep

从文件或者管道中筛选出需要的信息 -v 显示不匹配的行，或者说排除某些行，显示不包含匹配文本的所有行 -n 显示匹配行及行号 -i 不区分大小写 -c 只统计匹配的行数 -E 使用扩展的egrep命令 --color=auto 为grep过滤的匹配字符串添加颜色 -w 只匹配过滤的单词 -o 只输出匹配的内容

 ~/Desktop  grep -n 'andy' /etc/passwd
41:andy:x:1000:0:andy,,,:/home/andy:/bin/zsh


 ⚡ root@VM  ~  grep -Ev "#|^$" /etc/nginx/conf/nginx.conf
user  root;
worker_processes  3;
pid         /etc/nginx/logs/nginx.pid;
events {
    worker_connections  4096;
}
http {
    include       mime.types;
    default_type  application/octet-stream;
    sendfile        on;
    keepalive_timeout  65;
    server {
        listen       80;
        server_name  localhost;
        location / {
            root   html;
            index  index.html index.htm;
        }
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
    }
include conf.d/*.conf;
}

Grep命令

grep