[Pet_Ant]

Have you considered PowerShell? It's open-source, and typed, and definitely usable from the command line with lots of resources for.

https://github.com/PowerShell/PowerShell

[fmorel]

And dotnet run can now run single files of C# code, with the ability to import other projects and packages if needed.

  #!/usr/bin/dotnet run

https://devblogs.microsoft.com/dotnet/announcing-dotnet-run-...

https://andrewlock.net/exploring-dotnet-10-preview-features-...