require 'net/ftp'
ftp = Net::FTP.new('ftp.domain.com')
ftp.passive = true
ftp.login
ftp.chdir('/your/folder/name/here')
count = 0
ftp.putbinaryfile('local_file', 'local_file', 100000) do |block|
count += 100000
puts "#{count} bytes uploaded"
end
ftp.close
