COG_2_FIL_MAN.ipynb

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          "output_type": "stream",
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          "text": [
            "Please select a text file to analyze.\n",
            "An error occured: no display name and no $DISPLAY environment variable\n"
          ]
        }
      ],
      "source": [
        "#######################################################\n",
        "#LEVEL 2\n",
        "#********************\n",
        "#TASK 5\n",
        "#********************\n",
        "#FILE MANIPULATION\n",
        "######################################################\n",
        "\n",
        "import string\n",
        "from tkinter import Tk\n",
        "from tkinter.filedialog import askopenfilename\n",
        "\n",
        "def file_word_counter():\n",
        "    try:\n",
        "        print(\"Please select a text file to analyze.\")\n",
        "        root = Tk()\n",
        "        # hides tkinter window, only file dialog appears\n",
        "        root.withdraw()\n",
        "        #open a dialogue to select a file\n",
        "        file_path = askopenfilename(\n",
        "            # title of dialogue window\n",
        "            title = \"Select a text file\",\n",
        "            # filters file only text allowed\n",
        "            filetypes = [(\"Text files\", \"*.txt\"), (\"All files\",\"*.*\")]\n",
        "        )\n",
        "        if not file_path:\n",
        "            print(\"The file doesn't exist\")\n",
        "            return\n",
        "        #open and read the file\n",
        "        with open(file_path, 'r', encoding ='utf-8') as file:\n",
        "            txt = file.read()\n",
        "        #normalize the text and convert to lowercase\n",
        "        word_count = txt.lower().split()\n",
        "        #remove punctuations from every word\n",
        "        word_count = [word.strip(string.punctuation) for word in word_count]\n",
        "        #dict to store and count word occurence\n",
        "        word_occurence = {}\n",
        "        for word in word_count:\n",
        "            if word:\n",
        "                word_occurence[word] = word_occurence.get(word, 0) + 1\n",
        "        sorted_word_counts = sorted(word_occurence.items())\n",
        "        print(\"\\n Word occurence in a sorted alphabetical order: \")\n",
        "        for word, count in sorted_word_counts:\n",
        "            print(f\"{word}: {count}\")\n",
        "    except FileNotFoundError:\n",
        "        print(\"File not found! Please check file name and try again.\")\n",
        "    except UnicodeDecodeError:\n",
        "        print(\"File contains non-decodable characters. PLEASE use a text file.\")\n",
        "    except Exception as e:\n",
        "        print(f\"An error occured: {e}\")\n",
        "\n",
        "if __name__ == \"__main__\":\n",
        "    file_word_counter()\n",
        "\n",
        ""
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