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https://linux.cn/article-12992-1.html
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Xingyu Wang 2021-01-07 00:24:00 +08:00
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translated/tech/20201222 Learn to use the Sed text editor.md → published/20201222 Learn to use the Sed text editor.md
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[#]: collector: (lujun9972)
[#]: translator: (wxy)
[#]: reviewer: (wxy)
[#]: publisher: ( )
[#]: url: ( )
[#]: publisher: (wxy)
[#]: url: (https://linux.cn/article-12992-1.html)
[#]: subject: (Learn to use the Sed text editor)
[#]: via: (https://opensource.com/article/20/12/sed)
[#]: author: (Seth Kenlon https://opensource.com/users/seth)
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> Sed 缺少通常的文本框，而是按照用户的命令直接写入到文件上。
![命令行提示][1]
![](https://img.linux.net.cn/data/attachment/album/202101/07/002353st8vgivu78yzp77v.jpg)
`sed` 命令是为 AT&T 最初的 Unix 操作系统第 7 版创建的，此后，可能每一个 Unix 和 Linux 操作系统都包含了它。`sed` 应用程序是一个 _流编辑器_，与文本编辑器不同的是，它不会打开一个视觉缓冲区，将文件的数据加载到其中进行处理。相反，它根据在终端输入的命令或脚本中的一系列命令，逐行对文件进行操作。