Connecting to an FTP server:

    ftp = ftp_connect('ftp.osuosl.org')
    # => #<Net::FTP:...>
    ftp.chdir('/pub')
    puts ftp.list

Or create a temporary FTP session that automatically closes:

    ftp_connect('ftp.osuosl.org') do |ftp|
      ftp.chdir('/pub')
      puts ftp.list
    end