什么是用C＃来连接三个文件的最快方法？ [英] What would be the fastest way to concatenate three files in C#?

问题描述

我需要使用C＃来连接3个文件。头文件，内容和页脚文件，但我想这样做凉爽，因为它可以做到的。

酷=真小code或非常快（非组装code）。

解决方案

 无效CopyStream（流的目的，流源）{
   诠释计数;
   字节[]缓冲区=新的字节[BUFFER_SIZE];
   而（（计数= source.Read（缓冲液，0，buffer.Length））大于0）
       destination.Write（缓冲，0，计数）;
}
CopyStream（outputFileStream，fileStream1）;
CopyStream（outputFileStream，fileStream2）;
CopyStream（outputFileStream，fileStream3）;
 

I need to concatenate 3 files using C#. A header file, content, and a footer file, but I want to do this as cool as it can be done.

Cool = really small code or really fast (non-assembly code).

解决方案

void CopyStream(Stream destination, Stream source) {
   int count;
   byte[] buffer = new byte[BUFFER_SIZE];
   while( (count = source.Read(buffer, 0, buffer.Length)) > 0)
       destination.Write(buffer, 0, count);
}


CopyStream(outputFileStream, fileStream1);
CopyStream(outputFileStream, fileStream2);
CopyStream(outputFileStream, fileStream3);

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