Este es mi primer programa en node

Opciones:
      --help         Show help                                        [booleano]
      --version      Show version number                              [booleano]
  -b, --base         This is the base of the multiplication table     [número] [requerido]
  -c, --console-log  Show table in console                            [booleano] [defecto: false]
  -l, --lenght       This is the limit of the multiplication table    [número] [defecto: 10]