@spec.get_opts.each do |name, opt| options[name] = opt.value counts[name] = opt.count end @spec.get_args.each do |name, arg| args << arg.value named[name] = arg.value end args.flatten! args += trailing @report = Report.new(args, named, trailing, options, counts) if @report.opt(:help) self.print_usage() end unless @spec.get_args.values.all? {|arg| arg.fulfilled? } raise InterfaceError, "Required argument '#{name.upcase}' was not given." end if @spec.trailing_error && !@report.trailing.empty? raise InterfaceError, "Error: got trailing argument(s): #{trailing.join