matlab quickie：测试文本文件是否为空 [英] matlab quickie: test if text file is empty

问题描述

简单的问题：我正在matlab 7.x中打开一个文件，并且在读取它之前我想测试它是否为空。什么是这样做的最好方法？

/问题/ 849739 /如何得到大小的文件在MATLAB中>上一个问题，我会做以下：/ b>

  s = dir（'c：\somefile.txt'）; 
如果s.bytes == 0 
％空文件
 else 
％打开文件并读取它
 end; 
  

我假设你的意思是文件中没有包括换行符。如果是空的，则表示只有新行字符，那么您应该继续解决。

Simple question: I am opening a file in matlab 7.x, and I want to test if it is empty before reading it. What's the best way to do this?

解决方案

Taking some knowledge from this previous question, I would do the following

s = dir('c:\somefile.txt');
if s.bytes == 0
    % empty file
else
    % open the file and read it
end;

I assumed by empty that you meant that there is really nothing in the file including new line characters. If by empty you mean only new line characters, then you should go ahead with your solution.

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