# File lib/cri/base.rb, line 96
    def command_named(name)
      # Find by exact name or alias
      command = @commands.find { |c| c.name == name or c.aliases.include?(name) }
      return command unless command.nil?

      # Find by approximation
      commands = @commands.select { |c| c.name[0, name.length] == name }
      if commands.length > 1
        $stderr.puts "#{@tool_name}: '#{name}' is ambiguous:"
        $stderr.puts "  #{commands.map { |c| c.name }.join(' ') }"
        exit 1
      elsif commands.length == 0
        $stderr.puts "#{@tool_name}: unknown command '#{name}'\n"
        show_help
        exit 1
      else
        return commands[0]
      end
    end