将文件名附加到文件 [英] appending name of a file to a file

问题描述

我有一个文件名为1471(即1471.txt)的文件，该文件包含一些数据
如456,586,6574,556等.如何将文件名附加到文件中包含的数据并在输出中打印

必需的o/p:
1471,456,586,6574,556

帮我& rply me plzz

I have a file with a file name 1471 (ie 1471.txt) this file containing some data
as 456,586,6574,556 etc.How can i append file name to data contains in file and to print in output

required o/p:
1471,456,586,6574,556

hlp me & rply me plzz

推荐答案

使用以下代码:

Use the following code :

string filename = Path.GetFileNameWithoutExtension(filepath);
StringBuilder sb = new StringBuilder();
sb.Append(filename + ",");
sb.Append(File.ReadAllText(fileapth));
File.WriteAlltext(filepath, sb.ToString());

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