class Rspec::Core::Runner

def run(args = [])
  cli_config = Rspec::Core::CommandLineOptions.parse(args)
  
  require_all_files(cli_config.files_to_run)
  
  cli_config.apply(configuration)
  
  total_examples_to_run = Rspec::Core.world.total_examples_to_run
  old_sync, formatter.output.sync = formatter.output.sync, true if formatter.output.respond_to?(:sync=)
  suite_success = true
  formatter_supports_sync = formatter.output.respond_to?(:sync=)
  old_sync, formatter.output.sync = formatter.output.sync, true if formatter_supports_sync
  formatter.start(total_examples_to_run) # start the clock
  start = Time.now
  Rspec::Core.world.behaviours_to_run.each do |behaviour|
    suite_success &= behaviour.run(formatter)
  end
  formatter.start_dump(Time.now - start)
  formatter.dump_failures
  formatter.dump_summary
  formatter.dump_pending
  formatter.close
  formatter.output.sync = old_sync if formatter_supports_sync
  suite_success
end