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   "source": [
    "using Downloads"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Download a Book from Internet\n",
    "\n",
    "and read it into a string in Julia. Then report the number of letters etc (see below)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {
    "tags": []
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "File to download: http://www.gutenberg.org/files/2600/2600-0.txt\n",
      "\n",
      "check the subfolder Results\n",
      "\n"
     ]
    }
   ],
   "source": [
    "if !isdir(\"Results\")\n",
    "    error(\"create the subfolder Results before running this program\")\n",
    "end\n",
    "\n",
    "http = \"http://www.gutenberg.org/files/2600/2600-0.txt\"\n",
    "\n",
    "println(\"File to download: \",http)\n",
    "Downloads.download(http,\"Results/WarAndPeace.txt\")\n",
    "\n",
    "println(\"\\ncheck the subfolder Results\\n\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {
    "tags": []
   },
   "outputs": [],
   "source": [
    "fh = open(\"Results/WarAndPeace.txt\")\n",
    "str  = read(fh,String)     \n",
    "close(fh)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Task 1\n",
    "\n",
    "1. Count the number of letters and the unique letters in `str`. Hint: `length() and `unique()`\n",
    "\n",
    "2. Count the number of word and lines. Hint: `split(str)` and `split(str,\"\\n\")`\n",
    "\n",
    "3. Count the number of unique words."
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Task 2\n",
    "\n",
    "1. How often is Borodinó mentioned. Hint: `occursin.(,words)`\n",
    "\n",
    "2. Print all lines that contain the word Borodinó. Hint: `occursin(,line)`"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Task 3\n",
    "\n",
    "1. Change Borodinó everywhere to Berëzina and then count the occurances"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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