gistfile1.rb

def dir_rename
  dir = Dir.open(__dir__)
  puts "Renaming folders..."
  dir.each do |file|
    next if File.file?(file)
    if File.directory?(file)
      base_name = File.basename(file)
      next if base_name.start_with?('11')
      next if base_name.start_with?('--')
      if base_name.include?(" ")
        no_dash = base_name.gsub('-', ' ')
        full_name = no_dash.split(/ /)[0..1].join(' ')
        File.rename(file, full_name)
      else
        next
      end
    end
  end
end

dir_rename