Go: Building Web Applications

The user command-line tool

The first of two tools we will build allows the user to add, list, and remove paths for the backup daemon tool (which we will write later). You could expose a web interface, or even use the binding packages for desktop user interface integration, but we are going to keep things simple and build ourselves a command-line tool.

Create a new folder called cmds inside the backup folder and create another backup folder inside that.

Tip

It's good practice to name the folder of the command and the command binary itself the same.

Inside our new backup folder, add the following code to main.go:

func main() { var fatalErr error defer func() { if fatalErr != nil { flag.PrintDefaults() log.Fatalln(fatalErr) } }() var ( dbpath = flag.String("db", ...