Several common methods for writing txt data in C#

Preface

When you are using C# development, you may need to write some information to txt. Here are some commonly used methods.

method:

1. Write an array composed of strings to txt

This method does not require Flush and Close().

If not, the system will automatically help create one

string[] lines = { "This is the first line", "This is the second line", "This is the third line" };
(@"When you want to save", lines);

2. Write a string to txt

This method does not require Flush and Close().

If not, the system will automatically help create one

If you want to break the line, add "\r\n" to the break line

string text = "This is the first line" + "\r\n" +"This is the second line";
(@"When you want to save", text);

3. Use StreamWriter

This method Using replaces the functions of Flush and Close()

If not, the system will automatically help create one

Automatic line wrap

If you want to add content to the original txt file, set the method in StreamWriter to true

If the original file is overwritten, set to false

string[] lines = { "This is the first line", "This is the second line", "This is the third line" };
using ( file =
  new (@"When you want to save",false))
  {
   foreach (string line in lines)
   {
    (line);
   }
  }

Summarize

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