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编辑 INI 文件特定部分的几行

tag-icon • tag-icon text-processing sed regular-expression
编辑 INI 文件特定部分的几行

我有 subversion 配置文件 ( ~/.subversion/servers)

我需要修改以添加代理信息（主机、端口、例外）。该文件包含许多带有代理信息的部分。我只想修改[全球的]。

我已经为此创建了一个正则表达式，但它不起作用。

/(\[global\].*[\n])((.*[\n])*)([\s\#]*http-proxy-port\s?=\s?.*)/gm

您可以尝试在线测试https://regex101.com/它非常适合替换为：

\1\2http-proxy-port=9000

我尝试sed执行上面的行，但没有任何提示。

sed -i -r 's/(\[global].*[\n])((.*[\n])*)([\s\#]*http-proxy-port\s?=\s?.*)/\1\2http-proxy-port=9000/gm' \
 ~/.subversion/servers

我怎样才能使用sed上面的正则表达式？

此示例颠覆文件：

### The currently defined server options are:
###   http-proxy-host            Proxy host for HTTP connection
###   http-proxy-port            Port number of proxy host service
###   http-proxy-username        Username for auth to proxy service
###   http-proxy-password        Password for auth to proxy service
###   http-proxy-exceptions      List of sites that do not use proxy
###   http-timeout               Timeout for HTTP requests in seconds

[groups]
# group1 = *.collab.net
# othergroup = repository.blarggitywhoomph.com
# thirdgroup = *.example.com

### Information for the first group:
# [group1]
# http-proxy-host = proxy1.some-domain-name.com
# http-proxy-port = 80
# http-proxy-username = blah
# http-proxy-password = doubleblah
# http-timeout = 60

### Information for the second group:
# [othergroup]
# http-proxy-host = proxy2.some-domain-name.com
# http-proxy-port = 9000

### SSL certificate.  See details above for overriding security
### due to SSL.
[global]
# http-proxy-exceptions = *.domain.org, *.domain.com
# http-proxy-host = proxy.domain.com
# http-proxy-port = 8080
# http-proxy-username = defaultusername
# http-proxy-password = defaultpassword

预期输出将是

...
[global]
http-proxy-exceptions = *.otherdomain.org, *.otherdomain.com, 127.0.0.1, localhost
http-proxy-host = proxy.otherdomain.com
http-proxy-port = 9000
# http-proxy-username = defaultusername
# http-proxy-password = defaultpassword

答案1

正如建议的那样，有更好的方法来编辑 INI 文件...
不过，这是一种方法sed：

sed '/^\[.*\]/h
/http-proxy-exceptions/{x;/\[global\]/!{x;b;};x;c\
http-proxy-exceptions = *.otherdomain.org, *.otherdomain.com, 127.0.0.1, localhost
}
/http-proxy-host/{x;/\[global\]/!{x;b;};x;c\
http-proxy-host = proxy.otherdomain.com
}
/http-proxy-port/{x;/\[global\]/!{x;b;};x;c\
http-proxy-port = 9000
}' infile

每次遇到行匹配时，都会用模式空间内容覆盖保持缓冲区[.*]（即将每个节名称保存到h旧缓冲区中）。在http-.*与您的模式匹配的每一行上x更改缓冲区 - 如果保留空间确实如此不是( !) 匹配[global]，然后它x变回并通过 跳到下一个循环b。如果保持空间匹配，则[global]它x会变回并c挂起模式空间的内容。

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