require 'soap/rpc/driver'

# doesn't work (service no longer available?)
driver = SOAP::RPC::Driver.new(
  'http://services.xmethods.net/soap/', 'url:xmethods-delayed-quotes'
)

driver.add_method('getQuote', 'symbol')

puts 'Stock price: %.2f' % driver.getQuote(ARGV.first)