Powerful Command-Line Applications in Go

Starting the Notify Package

Unlike other applications you developed, notify won’t be an executable application. It will be a library that allows you to include system notifications in other applications. You’ll develop a naive but functional implementation that uses the os/exec package to call external programs that send a system notification. Because notifications vary according to the operating system, this is a practical example of how to use operating system--specific data and files in your applications. You’ll provide support for three operating systems: Linux, macOS, and Windows.

To use this package, you need these tools installed on your system, according to your operating system:

Linux:

notify-send: Included as part of libnotify.^{[75] ...}