Code snippets for the blog article at 2016/10/06/hello-world-console-application

bash.sh

mkdir helloworld
cd helloWorld

dotnet new

Created new C# project in /Your/Directory/Here.

dotnet restore

log  : Lock file has not changed. Skipping lock file write. Path: /Your/Diretory/Here/project.lock.json
log  : /Your/Diretory/Here/project.json
log  : Restore completed in 1208ms.

dotnet build

Project HelloWorld (.NETCoreApp,Version=v1.0) will be compiled because expected outputs are missing
Compiling HelloWorld for .NETCoreApp,Version=v1.0

Compilation succeeded.
    0 Warning(s)
    0 Error(s)

Time elapsed 00:00:01.7556973

dotnet run

Project HelloWorld (.NETCoreApp,Version=v1.0) was previously compiled. Skipping compilation.
Hello World!

CompilerOptionsExtensions.cs

var outputKind = compilerOptions.EmitEntryPoint.GetValueOrDefault() ?
                OutputKind.ConsoleApplication : OutputKind.DynamicallyLinkedLibrary;

program.cs

using System;

namespace ConsoleApplication
{
    public class Program
    {
        public static void Main(string[] args)
        {
            Console.WriteLine("Hello World!");
        }
    }
}

project.json

{
  "version": "1.0.0-*",
  "buildOptions": {
    "debugType": "portable",
    "emitEntryPoint": true
  },
  "dependencies": {},
  "frameworks": {
    "netcoreapp1.0": {
      "dependencies": {
        "Microsoft.NETCore.App": {
          "type": "platform",
          "version": "1.0.0"
        }
      },
      "imports": "dnxcore50"
    }
  }
}

"dependencies": {
    "Newtonsoft.Json" : "9.0.1"
  }