gistfile1.rb

# Slop version 3

commands = Slop::Commands.new do
  banner "ruby foo.rb [options]\n"

  on 'new' do
    on '-F', '--force', 'Force creation'
    on '--outdir=', 'Output directory'
  end

  on 'version' do
    add_callback(:empty) { p 'lolya' }
  end

  global do
    on 'v', 'verbose', 'enable verbose mode'
  end

  default do
    on 'a', 'auth', 'Auth mode'
  end
end

puts commands #=>
__END__
~/code/slop[v3]% ruby run.rb
ruby foo.rb [options]

  new
    -F, --force       Force creation
        --outdir      Output directory

  global
    -v, --verbose      enable verbose mode

  Other options
    -a, --auth      Auth mode

Looks pretty good. Liking it :)