sed命令云解析DNS 的相关内容

文章 2024-08-09 来自：开发者社区

运维笔记：流编辑器sed命令用法解析

1. sed命令简介 sed（stream editor）是一个强大的文本处理工具，用于对文本流或文件进行过滤和转换。它主要用于自动编辑一个或多个文件；简化对文件的重复操作；编写转换程序等。其语法格式为： sed [OPTION]... {script-only-if-no-o...

文章 2017-11-16 来自：开发者社区

sed命令n，N，d，D，p，P，h，H，g，G，x解析

sed option 'pattern{command1;command2...}' $cat test.txt This is 1 This is 2 This is 3 This is 4 This is 5 1.p和P p打印当前模式空间内容，追加到默认输出之后 sed -n 'N;p' test.txt 结果 This is 1 This is 3 P打印...

文章 2017-10-30 来自：开发者社区

sed命令n，N，d，D，p，P，h，H，g，G，x解析

sed命令n，N，d，D，p，P，h，H，g，G，x解析 1、 sed执行模板=sed '模式{命令1;命令2}' 即逐行读入模式空间，执行命令，最后输出打印出来 2、为方便下面，先说下p和P，p打印当前模式空间内容，追加到默认输出之后，P打印当前模式空间开端至\n的内容，并追加到默认输出之前。 sed并不对每行末尾\n进行处理，但是对N命令追加的行间\n进行处理，因为此时sed将两...

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更新时间 2024-08-10 14:51:45

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