python fileinput 模块替换文件全局内容
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nginx.conf 文件有如下内容：
server { .....................................................................
server 192.168.201.131:80 weight=1;
server 192.168.201.132:80 weight=1;
server 192.168.201.133:80 weight=1;
server 192.168.201.136:80 weight=1;
server 192.168.201.137:80 weight=1;
server 192.168.201.139:80 weight=1;
server 192.168.205.2:80 weight=1;
server 192.168.205.3:80 weight=1;
server 192.168.205.4:80 weight=1;
server 192.168.205.5:80 weight=1;
server 192.168.205.6:80 weight=1;
server 192.168.205.7:80 weight=1;
server 192.168.205.8:80 weight=1;
server 192.168.205.9:80 weight=1;
server 192.168.205.10:80 weight=1;
server 192.168.205.11:80 weight=1;
server 192.168.205.12:80 weight=1;
server 192.168.205.13:80 weight=1;
server 192.168.205.14:80 weight=1;
server 192.168.205.15:80 weight=1;
server 192.168.205.16:80 weight=1;
server 192.168.205.17:80 weight=1;
server 192.168.205.18:80 weight=1;
server 192.168.205.19:80 weight=1;
server 192.168.205.20:80 weight=1;
server 192.168.205.21:80 weight=1;
server 192.168.205.22:80 weight=1;
server 192.168.205.23:80 weight=1;
server 192.168.205.24:80 weight=1;
server 192.168.205.25:80 weight=1;
server 192.168.205.26:80 weight=1;
server 192.168.205.27:80 weight=1;
server 192.168.205.28:80 weight=1;
server 192.168.205.29:80 weight=1;
server 192.168.205.30:80 weight=1;
server 192.168.205.31:80 weight=1;
server 192.168.205.32:80 weight=1;
server 192.168.205.33:80 weight=1;
server 192.168.205.34:80 weight=1;
server 192.168.205.35:80 weight=1;
server 192.168.205.36:80 weight=1;
server 192.168.205.37:80 weight=1;
server 192.168.205.38:80 weight=1;
server 192.168.205.39:80 weight=1;
server 192.168.205.40:80 weight=1;
server 192.168.205.41:80 weight=1;
}
在上面所有205网段上面加上#注销号，python 实现脚本如下:
#!/bin/python
#coding=utf-8
import fileinput
for line in fileinput.input(‘nginx.conf.erb201‘,inplace=1):
line = line.replace(‘server 192.168.205.‘,‘#server 192.168.205.‘)
print line,
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