254

What is the difference between two, if any (with respect to .Net)?

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238

Depends on the platform. On Windows it is actually "\r\n".

From MSDN:

A string containing "\r\n" for non-Unix platforms, or a string containing "\n" for Unix platforms.

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3 Comments

Which UNIX platform does .NET run to Microsoft put into its doc? (I mean, a part from Mono.)
@Jack You could be writing to a file that will be opened in Unix platform. Or sending text in package that will be received by a unix platform. And in a few months .net will be running on Unix platforms. It already has begun
So just for clarity: on a non-Unix platform Environment.NewLine is \r\n but \n is also called "new line". Why didn't they just call the latter by its more well-known name "line feed" and cut out the confusion? They could have used \l also.
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Exact implementation of Environment.NewLine from the source code:

The implementation in .NET 4.6.1:

/*===================================NewLine==================================== **Action: A property which returns the appropriate newline string for the given ** platform. **Returns: \r\n on Win32. **Arguments: None. **Exceptions: None. ==============================================================================*/ public static String NewLine { get { Contract.Ensures(Contract.Result<String>() != null); return "\r\n"; } }

source

The implementation in .NET Core:

/*===================================NewLine==================================== **Action: A property which returns the appropriate newline string for the ** given platform. **Returns: \r\n on Win32. **Arguments: None. **Exceptions: None. ==============================================================================*/ public static String NewLine { get { Contract.Ensures(Contract.Result() != null); #if !PLATFORM_UNIX return "\r\n"; #else return "\n"; #endif // !PLATFORM_UNIX } }

source (in System.Private.CoreLib)

public static string NewLine => "\r\n";

source (in System.Runtime.Extensions)

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2 Comments

yeah :) For some reason I was expecting the .NET implementation to be some huge complicated function
Considering the simplicity of the source in this instance, it probably should be the answer.
70

As others have mentioned, Environment.NewLine returns a platform-specific string for beginning a new line, which should be:

  • "\r\n" (\u000D\u000A) for Windows
  • "\n" (\u000A) for Unix
  • "\r" (\u000D) for Mac (if such implementation existed)

Note that when writing to the console, Environment.NewLine is not strictly necessary. The console stream will translate "\n" to the appropriate new-line sequence, if necessary.

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6 Comments

The Mac implementation does exist. Just Mono. Runs on anything.
Just a note, that would be old macs; new (OSX) macs use \n
As others have mentioned and as is visible in the .Net source also attached to this question, this answer is not correct.
@ChrisWalter this answer could be correct back in 2009. Today, it is outdated.
@Blieque just saying that it might have been true in 2009, not that it was. I didnt check.
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27

Environment.NewLine will return the newline character for the corresponding platform in which your code is running

you will find this very useful when you deploy your code in linux on the Mono framework

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8

From the docs ...

A string containing "\r\n" for non-Unix platforms, or a string containing "\n" for Unix platforms.

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5

You might get into trouble when you try to display multi-line message separated with "\r\n".

It is always a good practice to do things in a standard way, and use Environment.NewLine

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4

Environment.NewLine will give "\r\n" when run on Windows. If you are generating strings for Unix based environments, you don't want the "\r".

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