Run a C# file directly using dotnet run app.cs

We are super excited to introduce a new feature that was released as part of .NET 10 Preview 4 that makes getting started with C# easier than ever. You can now run a C# file directly using dotnet run app.cs . This means you no longer need to create a project file or scaffold a whole application to run a quick script, test a snippet, or experiment with an idea. It’s simple, intuitive, and designed to streamline the C# development experience, especially for those just getting started. What is dotnet run app.cs ? Until now, executing C# code using the dotnet CLI required a project structure that included a .csproj file. With this new capability, which we call file-based apps, you can run a standalone .cs file directly, much like you would with scripting languages such as Python or JavaScript. This lowers the entry barrier to trying out C# and makes the language a much more attractive choice for learning, prototyping, or automation scenarios. Quick Start, No Project File Required – Gre ... Read full article.