In steps 1 to 5, we used .NET Core command-line tools to create a solution and then create a project. Then, we added the project to the solution. In steps 6 and 7, we opened Visual Studio Code for macOS and opened the directory we just created. Visual Studio Code for macOS allows you to work with .NET-based applications on macOS. Also, by installing extensions, it allows you to work with other popular technologies as well.
In steps 9 and 10, we renamed the default Class1.cs generated from the template and we renamed the file and the class to a meaningful name. In step 11, we added the necessary namespaces to work with files and collections. In step 12, we created a private variable to hold the filename. In step 13, we created ...
