linux下似乎并没有直接查看字符格式的命令，网上说有此工具。先保存下来，晚上回去在自己机子上试一下

介绍一个linux下查看文件编码的工具enca
在debian下通过apt-get install enca就可以安装
它的说明如下:

Enca is an Extremely Naive Charset Analyser. It detects character set and
encoding of text files and can also convert them to other encodings using
either a built-in converter or external libraries and tools like libiconv,
librecode, or cstocs.
Currently it supports Belarussian, Bulgarian, Croatian, Czech,
Estonian, Hungarian, Latvian, Lithuanian, Polish, Russian, Slovak,
Slovene, Ukrainian, Chinese, and some multibyte encodings independently
on language.

使用方法举例：

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