# File lib/rubygems/commands/specification_command.rb, line 31
      def execute
        if local?
          gem = get_one_gem_name
          gem_specs = Gem::SourceIndex.from_installed_gems.search(gem, options[:version])
          unless gem_specs.empty?
            require 'yaml'
            output = lambda { |spec| say spec.to_yaml; say "\n" }
            if options[:all]
              gem_specs.each(&output)
            else
              spec = gem_specs.sort_by { |spec| spec.version }.last
              output[spec]
            end
          else
            alert_error "Unknown gem #{gem}"
          end
        end
      
        if remote?
          say "(Remote 'info' operation is not yet implemented.)"
          # NOTE: when we do implement remote info, make sure we don't
          # duplicate huge swabs of local data.  If it's the same, just
          # say it's the same.
        end
      end