Đọc ghi dữ liệu văn bản C#

Thao tác với dữ liệu văn bản trong C#, đọc và ghi từng dòng

public class TextFile
{

public TextFile()
{
}

public static void Run()
{

string fileName = Path.GetFullPath(“..\\..\\”) + “\\BinaryData.cs”;
string outFile = Path.GetFullPath(“..\\..\\”) + “\\BinaryData.bak”;

FileStream inputStream = new FileStream(fileName,FileMode.Open,FileAccess.Read);
StreamReader reader = new StreamReader(inputStream);

FileStream outputStream = new FileStream(outFile,FileMode.OpenOrCreate,FileAccess.Write);
StreamWriter writer = new StreamWriter(outputStream);
string text;
do
{

text = reader.ReadLine();
Console.WriteLine(text);
writer.WriteLine(text);

}

while (text!=null);
reader.Close();
writer.Close();

}

}

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