如何确定文件是c#中的二进制文件还是文本文件?

问题描述

我需要确定 80% 的文件是二进制文件还是文本文件，有没有什么方法可以在 c# 中快速和肮脏/丑陋?

I need to determine in 80% if a file is binary or text, is there any way to do it even quick and dirty/ugly in c#?

推荐答案

我可能会寻找大量的控制字符，这些字符通常出现在二进制文件中，但很少出现在文本文件中.二进制文件倾向于使用足够的 0，以至于仅测试许多 0 字节可能足以捕获大多数文件.如果您关心本地化，您还需要测试多字节模式.

I would probably look for an abundance of control characters which would typically be present in a binary file but rarely in an text file. Binary files tend to use 0 enough that just testing for many 0 bytes would probably be sufficient to catch most files. If you care about localization you'd need to test multi-byte patterns as well.

如前所述，您总是很不幸，得到一个看起来像文本的二进制文件，反之亦然.

As stated though, you can always be unlucky and get a binary file that looks like text or vice versa.

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