# fmt

读取文件后优化处理并输出

## 补充说明

**fmt命令** 读取文件的内容，根据选项的设置对文件格式进行简单的优化处理，并将结果送到标准输出设备。

### 语法

```
fmt(选项)(参数)
```

### 选项

```
-c或--crown-margin：每段前两列缩排；
-p<列起始字符串>或-prefix=<列起始字符串>：仅合并含有指定字符串的列，通常运用在程序语言的注解方面；
-s或--split-only：只拆开字数超出每列字符数的列，但不合并字数不足每列字符数的列；
-t或--tagged-paragraph：每列前两列缩排，但第1列和第2列的缩排格式不同；
-u或--uniform-spacing：每列字符之间都以一个空格字符间隔，每个句子之间则两个空格字符分隔；
-w<每列字符数>或--width=<每列字符数>或-<每列字符数>：设置每列的最大字符数。
```

### 参数

指定要优化格式的文件。


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