标签:sed实例
1、在最后一行加:sed -i '$a\Defaults logfile=/var/log/sudo.log' /etc/sudoers
2、替换字符:
sed -i 's/Allow from .example.com/Allow from localhost/g' /usr/local/xxx/config/apache/extra/httpd-info.conf
3、在匹配行下方几行开始加:
sed -i -e '/location ~ \/\\.ht/{n;n;s|$|\n #-------------------------------------------------|}' /usr/local/xxx/config/nginx/vhost/default.conf
sed -i -e '/location ~ \/\\.ht/{n;n;n;s|$|\n location /nginx-status {|}' /usr/local/xxx/config/nginx/vhost/default.conf
sed -i -e '/location ~ \/\\.ht/{n;n;n;n;s|$|\n stub_status on;|}' /usr/local/xxx/config/nginx/vhost/default.conf
sed -i -e '/location ~ \/\\.ht/{n;n;n;n;n;s|$|\n access_log off;|}' /usr/local/xxx/config/nginx/vhost/default.conf
sed -i -e '/location ~ \/\\.ht/{n;n;n;n;n;n;s|$|\n }|}' /usr/local/xxx/config/nginx/vhost/default.conf
4、删除匹配性开头的行:
sed -i '/^Defaults logfile=\/var\/log\/sudo.log.*/d' /etc/sudoers
5、删除匹配行,并且删除前一行,后三行:
sed -i '/location \/nginx-status/,+3d;:go;1,1!{P;$!N;D};N;bgo' /usr/local/u-mail/config/nginx/vhost/default.conf
标签:sed实例
原文地址:http://blog.51cto.com/net881004/2053962