C＃：读取TXT文件数据 [英] C#: Read data from txt file

问题描述

我有一个.EDF（文本）文件。该文件的内容如下：

I have an .EDF (text) file. The file's contents are as follows:

    ConfigFile.Sample, Software v0.32, CP Version 0.32
    [123_Float][2]
    [127_Number][0]
    [039_Code][70]

我wnat阅读这些内容，并分析它们是这样的：

I wnat to read these items and parse them like this:

    123_Float - 2
    127_Number - 0
    039_Code - 70

我怎样才能做到这一点使用C＃

How can I do this using C#?

推荐答案

那么，你可能会用的 File.ReadAllLines（） 方法。然后，遍历该文件中的行，检查，看看它们是否匹配的模式。如果他们这样做，提取必要的文本，做任何你想做的事情。

Well, you might start with the File.ReadAllLines() method. Then, iterate through the lines in that file, checking to see if they match a pattern. If they do, extract the necessary text and do whatever you want with it.

下面是你想要的格式线假定一个例子 [（场1）] [（场2）] ：

Here's an example that assumes you want lines in the format [(field 1)][(field 2)]:

// Or wherever your file is located
string path = @"C:\MyFile.edf";

// Pattern to check each line
Regex pattern = new Regex(@"\[([^\]]*?)\]");

// Read in lines
string[] lines = File.ReadAllLines(path);

// Iterate through lines
foreach (string line in lines)
{
   // Check if line matches your format here
   var matches = pattern.Matches(line);

   if (matches.Count == 2)
   {
      string value1 = matches[0].Groups[1].Value;
      string value2 = matches[1].Groups[1].Value;

      Console.WriteLine(string.Format("{0} - {1}", value1, value2));
   }
}

这把它们输出到控制台窗口，但你可以明明做任何你想要与值1 和值2 （它们写入另一个文件，将它们存储在数据结构等）。

This outputs them to the console window, but you could obviously do whatever you want with value1 and value2 (write them to another file, store them in a data structure, etc).

另外，请注意，正则表达式是不是我的强项 - 可能有一个更优雅的方式来检查线路的模式匹配：）

Also, please note that regular expressions are not my strong point -- there's probably a much more elegant way to check if a line matches your pattern :)

如果您想了解更多信息，请查看MSDN的上的从文本中读取数据文件作为一个起点。

If you want more info, check out MSDN's article on reading data from a text file as a starting point.

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