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Learn how to build a .NET Core console application and output an EXE file, including step-by-step instructions for setting up the project, writing code, and configuring the build process.
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Building a .NET Core Console Application to Output an EXE

Creating a .NET Core console application that outputs an executable (EXE) file is straightforward. This guide will walk you through the process, from setting up your development environment to writing code and configuring the build process.

Prerequisites

Before starting, ensure you have the following installed on your machine:

.NET Core SDK

An integrated development environment (IDE) such as Visual Studio or Visual Studio Code

Step 1: Create a New .NET Core Console Application

First, create a new .NET Core console application using the .NET CLI or your IDE.

Using .NET CLI

Open a terminal or command prompt and run the following commands:

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Using Visual Studio

Open Visual Studio.

Click on "Create a new project."

Select "Console App (.NET Core)" and click "Next."

Name your project (e.g., MyConsoleApp) and click "Create."

Step 2: Write Your Code

Open the Program.cs file and write your console application code. Here is a simple example:

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Step 3: Configure the Build to Output an EXE

To ensure your application builds as an executable, you need to configure the project to publish an EXE file. This can be done using the .NET CLI or your IDE.

Using .NET CLI

Run the following command in your project directory:

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-c Release specifies the release configuration.

-r win-x64 specifies the target runtime (in this case, Windows 64-bit).

--self-contained includes the .NET runtime in the output, making the EXE self-contained.

Using Visual Studio

Right-click on the project in the Solution Explorer and select "Publish."

Choose a folder path for the output and click "Next."

Select "Self-contained" under Deployment Mode.

Choose the target runtime (e.g., win-x64) and click "Finish."

Click "Publish" to build the project.

Step 4: Locate and Run the EXE

After publishing, the EXE file will be located in the publish folder. The path typically looks like bin\Release\netcoreapp3.1\win-x64\publish\.

Navigate to the folder and double-click the EXE file to run your console application.

Conclusion

By following these steps, you can successfully create a .NET Core console application and configure it to output an executable file. This process is essential for deploying your applications to environments where the .NET Core SDK might not be installed.