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linux 命令和教程补充
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Linux/command/expand.md
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26
Linux/command/expand.md
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expand
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===
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将文件的制表符转换为空白字符
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## 补充说明
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**expand命令** 用于将文件的制表符(TAB)转换为空白字符(space),将结果显示到标准输出设备。
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### 语法
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```shell
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expand(选项)(参数)
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```
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### 选项
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```shell
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-t<数字>:指定制表符所代表的空白字符的个数,而不使用默认的8。
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```
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### 参数
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文件:指定要转换制表符为空白的文件。
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