Why is the newline character not working?

Question

I am new to C# file handling, and I am making a very simple program. The code is as follows:

class MainClass 
{
    public static void Main()
    {
        var sw = new StreamWriter("C:\\Users\\Punit\\Desktop\\hello.txt");
        sw.Write("HelloWorld" +Environment.NewLine);
        sw.Write("ByeWorld");
        sw.Close(); 

        Console.ReadLine();
    }
}

The above code produces the following expected result in the text file:

HelloWorld
ByeWorld

I also wrote somewhat modified version of the code like this:

class MainClass 
{
    public static void Main()
    {
        var sw = new StreamWriter("C:\\Users\\Punit\\Desktop\\hello.txt");
        sw.Write("HelloWorld\n");
        sw.Write("ByeWorld");
        sw.Close(); 

        Console.ReadLine();
    }
}

Here instead of using the

Environment.Newline

I directly added "\n" to the "HelloWorld" line. This produced the following output (int the text file):

HelloWorldByeWorld

My question is that why is the second piece of code not working? (Not producing the newline in the text file)

Translating C# to Natural Language: Because `\n` does not get interpreted as *New Line Feed* in your working Environment :) — Alireza, Oct 25 '13 at 05:34
I'm taking a guess here: You're looking at the result with Notepad. Notepad will not interpret a lone U+000A as a line break, only U+000D, U+000A, therefore what you wrote to the file *is* there, but you don't see it as such. At least not in Notepad. In any decent text editor you would. — Joey, Oct 25 '13 at 05:43

score 9 · Accepted Answer · answered Oct 25 '13 at 05:35

9

please try

  StreamWriter sw = new StreamWriter("C:\\Users\\Punit\\Desktop\\hello.txt");
    sw.Write("HelloWorld \r\n");
    sw.Write("ByeWorld");
    sw.Close(); 
    Console.ReadLine();

you can read it over here

answered Oct 25 '13 at 05:35

Rohit

10,056
7
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score 2 · Answer 2 · answered Oct 25 '13 at 05:37

2

You can also try with

sw.WriteLine("HelloWorld");
sw.WriteLine("ByeWorld");

answered Oct 25 '13 at 05:37

Raghuveer

2,630
3
29
59

score 1 · Answer 3 · edited May 23 '17 at 12:19

1

change it to 'sw.WriteLine'. Like c++, it invoke newline. You could also read this: Create a .txt file if doesn't exist, and if it does append a new line

edited May 23 '17 at 12:19

Community

1
1

answered Oct 25 '13 at 05:36

Vnz Dichoso

182
1
2
11

Thanks for the solution, I had tried it and it was working fine. I wanted to know the reason, why "\n" didn't work. – Pratik Singhal Oct 25 '13 at 05:37
Try reading this: http://stackoverflow.com/questions/1885900/order-of-carriage-return-and-new-line-feed – Vnz Dichoso Oct 25 '13 at 05:42

score 1 · Answer 4 · answered Oct 25 '13 at 05:55

1

try

sw.Write("HelloWorld\\n");

instead of

sw.Write("HelloWorld\n");

answered Oct 25 '13 at 05:55

RobertKing

1,853
8
30
54

Why is the newline character not working?

4 Answers4