In a previous post, we looked at how we can organize projects into solutions, and now we can use the comand dotnet sln add and dotnet sln remove to achieve this.

To recap, if your folder structure is like this:

ProjectStructure

We can create a solution in the root folder like this:

dotnet new sln

We can then add the projects to the solution like this:

dotnet sln add src/TrafficLights/StateMachine.csproj

dotnet sln add src/TrafficLights.Tests/TrafficLightTests.csproj

You can also achieve the same thing if you omit the project altogether:

dotnet sln add src/TrafficLights

dotnet sln add src/TrafficLights.Tests

This also works for removing projects:

dotnet sln remove src/TrafficLights

dotnet sln remove src/TrafficLights.Tests

This will only work if there is a single .csproj file in the specified folder. If there is more than one, you will need to specify which you mean.

TLDR

The command to manipulate solution files will work when adding / removing projects if you omit specifying the project name.

Happy hacking!