我们需要更多信息，Noam，或者至少是你想要完成的事情。是否要删除txt文件中只有空格的行？你的txt文件实际上有行吗？您可以只使用空字符串替换所有空格stringRplace（）
。再说一次，没有更多细节，我不能更具体......

We need some more information, Noam, or at least something along the lines of what you're trying to accomplish. Do you want to remove lines in your txt file that have only spaces? Does your txt file actually have lines? You may be able to just do a string.Replace() to replace all spaces, with an empty string. Again, without more details, I can't be more specific ...