your-tool help sub-command

%w[rubygems subcommander].each { |m| require m }
include Subcommander

subcommander.version = '1.0.0'
subcommander.desc = "SimpleTool is ephemeral and only here to demonstrate Subcommander."

subcommand :run, "Runs the simple tool" do |sc|
  sc.opt :just_kidding, '-k', '--just-kidding', "Don't really run the simple tool"
  sc.exec {
    # This is where the subcommand has its implementation
    if sc[:just_kidding]
      puts "Not really running"
    else
      puts "Running!"
    end
  }
end

subcommander.go!

%w[rubygems subcommander].each { |m| require m }
include Subcommander

subcommander.version = '1.0.0'
subcommander.desc = "ComplexTool is ephemeral and only here to demonstrate Subcommander."

subcommand :run, "Commands for running the complex tool" do |run|
  run.subcommand 'on-foot', "Run down the street" do |sc|
    sc.usage = "complextool run on-foot [-f | -s]"
    sc.opt :fast, '-f', '--fast', "Run fast!"
    sc.opt :slow, '-s', '--slow', "Run slow."
    sc.exec {
      speed = "at a normal pace"
      if sc[:fast]
        speed = 'fast'
      elsif sc[:slow]
        speed = 'slow'
      end
      puts "We're running #{speed}"
    }
  end
  run.subcommand 'an-app', "Run an app" do |sc|
    sc.arity = 1
    sc.usage = "complextool run an-app NAME"
    sc.exec {
      app = sc[:args][0]
      puts "Running #{app}"
    }
  end
end

subcommander.go!