sed 删除匹配行的另一个匹配行。

fenzao

文本：
server {
                listen 80;
    listen 443 ssl;
    server_name b.com;
    location / {
        proxy_pass http://172.16.64.9:8098;
       #proxy_redirect off;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_pass_request_headers              on;
        client_max_body_size 200m;
        client_body_buffer_size 1280k;
        proxy_connect_timeout 300;
        proxy_send_timeout 300;
        proxy_read_timeout 300;
        proxy_buffer_size 4k;
        proxy_buffers 4 32k;
        proxy_busy_buffers_size 64k;
        proxy_temp_file_write_size 64k;
    }
}
server {
    listen 443 ssl;
    listen 80;
    server_name a.com;

    location / {
        proxy_pass http://172.16.64.9:80;
        proxy_redirect off;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_pass_request_headers              on;
        client_max_body_size 200m;
        client_body_buffer_size 1280k;
        proxy_connect_timeout 300;
        proxy_send_timeout 300;
        proxy_read_timeout 300;
        proxy_buffer_size 4k;
        proxy_buffers 4 32k;
        proxy_busy_buffers_size 64k;
        proxy_temp_file_write_size 64k;
    }
}
server {
    listen 443 ssl;
    listen 80;
    server_name a.com;

    location / {
        proxy_pass http://172.16.64.9:8096;
        proxy_redirect off;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_pass_request_headers              on;
        client_max_body_size 200m;
        client_body_buffer_size 1280k;
        proxy_connect_timeout 300;
        proxy_send_timeout 300;
        proxy_read_timeout 300;
        proxy_buffer_size 4k;
        proxy_buffers 4 32k;
        proxy_busy_buffers_size 64k;
        proxy_temp_file_write_size 64k;
    }
}



如何使用sed 删除匹配a.com域名的  listen 80 ， listen 80可能在上一行 ，也可能在上两行。

wh7211

回复 1# fenzao

1. awk '/listen 80/{a=1;b=NR}/server_name a.com/{c=1}/location/{a=c=0}{d[NR]=$0;if(a&&c){delete d[b]}}END{for(i in d){print d[i]}}' file

复制代码

chengchow

1. [root@djangoc170 tmp]# awk 'BEGIN{RS=ORS="server {";FS=OFS="\n"}/a.com/{for(i=1;i<=NF;i++){gsub("listen 80;","",$i)}}{print $0}' 1.txt
   
2. server {
   
3.                 listen 80;
   
4.     listen 443 ssl;
   
5.     server_name b.com;
   
6.     location / {
   
7.         proxy_pass http://172.16.64.9:8098;
   
8.        #proxy_redirect off;
   
9.         proxy_set_header Host $host;
   
10.         proxy_set_header X-Real-IP $remote_addr;
    
11.         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    
12.         proxy_pass_request_headers              on;
    
13.         client_max_body_size 200m;
    
14.         client_body_buffer_size 1280k;
    
15.         proxy_connect_timeout 300;
    
16.         proxy_send_timeout 300;
    
17.         proxy_read_timeout 300;
    
18.         proxy_buffer_size 4k;
    
19.         proxy_buffers 4 32k;
    
20.         proxy_busy_buffers_size 64k;
    
21.         proxy_temp_file_write_size 64k;
    
22.     }
    
23. }
    
24. server {
    
25.    
    
26.     listen 443 ssl;
    
27.     server_name a.com;
    
28. 
    
29.     location / {
    
30.         proxy_pass http://172.16.64.9:80;
    
31.         proxy_redirect off;
    
32.         proxy_set_header Host $host;
    
33.         proxy_set_header X-Real-IP $remote_addr;
    
34.         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    
35.         proxy_pass_request_headers              on;
    
36.         client_max_body_size 200m;
    
37.         client_body_buffer_size 1280k;
    
38.         proxy_connect_timeout 300;
    
39.         proxy_send_timeout 300;
    
40.         proxy_read_timeout 300;
    
41.         proxy_buffer_size 4k;
    
42.         proxy_buffers 4 32k;
    
43.         proxy_busy_buffers_size 64k;
    
44.         proxy_temp_file_write_size 64k;
    
45.     }
    
46. }
    
47. server {
    
48.     listen 443 ssl;
    
49.    
    
50.     server_name a.com;
    
51. 
    
52.     location / {
    
53.         proxy_pass http://172.16.64.9:8096;
    
54.         proxy_redirect off;
    
55.         proxy_set_header Host $host;
    
56.         proxy_set_header X-Real-IP $remote_addr;
    
57.         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    
58.         proxy_pass_request_headers              on;
    
59.         client_max_body_size 200m;
    
60.         client_body_buffer_size 1280k;
    
61.         proxy_connect_timeout 300;
    
62.         proxy_send_timeout 300;
    
63.         proxy_read_timeout 300;
    
64.         proxy_buffer_size 4k;
    
65.         proxy_buffers 4 32k;
    
66.         proxy_busy_buffers_size 64k;
    
67.         proxy_temp_file_write_size 64k;
    
68.     }
    
69. }

复制代码

fenzao

回复 2# wh7211

谢谢

fenzao

回复 3# chengchow

谢谢