Example code for article about ArgumentParser - Defining the top level command

CLINotes.swift

import ArgumentParser
import Foundation

// 1
struct CLINotes: ParsableCommand {
  
    // 2
    static let fileExtension = ".clinote"
  
    // 3
    static let configuration: CommandConfiguration = CommandConfiguration(
        commandName: "clinotes",
        abstract: "Manage your notes from the command line",
        usage: nil,
        discussion: "Create your nodes from the command-line. Each file generated with this tool has the extension \(fileExtension).",
        version: "1.0.0",
        shouldDisplay: true,
        subcommands: [],
        defaultSubcommand: nil,
        helpNames: .shortAndLong
    )
}