Add stat computer for log files

module2/exo4/exercice.ipynb

 {
- "cells": [],
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# A notebook that gives stats on the notes taken so far\n",
+    "\n",
+    "## Useful functions\n",
+    "\n",
+    "First, let's define a function that counts how many sections there is in a *log file* : "
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def count_sections(log_file):\n",
+    "    with open(log_file, 'r') as fil: lines = fil.readlines()\n",
+    "    s = 0\n",
+    "    for line in lines : \n",
+    "        if line[:1]=='# ': s += 1\n",
+    "    return s"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "Maybe I will add some other useful function later.\n",
+    "\n",
+    "Let's list all the *log files* :"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "There is 1 log file :\n",
+      "**Outils de prise de note :** \n",
+      "\n",
+      "\n",
+      "\n",
+      "- metalanguage Markdown\n",
+      "\n",
+      "- ReStructuredText for python\n",
+      "\n",
+      "\n",
+      "\n",
+      "**Organisation des données :**\n",
+      "\n",
+      "\n",
+      "\n",
+      "- TEI, est apparemment une sorte de norme permettant d'utiliser la même méthode de rangement de donnée même pour des dataset très différents\n",
+      "\n",
+      "\n",
+      "\n",
+      "\n",
+      "\n",
+      "**Outils de gestion des fichier :**\n",
+      "\n",
+      "\n",
+      "\n",
+      "- docFetcher, pour chercher dans le contenu de plusieurs fichiers\n",
+      "\n",
+      "- exifttool, pour ajouter des metadonnées à un fichier\n",
+      "\n",
+      "\tmodule_1.md; contains 0 section.\n"
+     ]
+    }
+   ],
+   "source": [
+    "import os\n",
+    "\n",
+    "log_dir = '../../journal/'\n",
+    "ignored_files = ['Readme.md']\n",
+    "log_files = [fil for fil in os.listdir(log_dir) if fil not in ignored_files]\n",
+    "\n",
+    "if len(log_files)<2 : print(\"There is {:d} log file :\".format(len(log_files)))\n",
+    "else: print(\"There are {:d} log files :\".format(len(log_files)))\n",
+    "    \n",
+    "for fil in log_files: \n",
+    "    n_sec = count_sections(log_dir + fil)\n",
+    "    if n_sec <2 : print(\"\\t{:}; contains {:d} section.\".format(fil, n_sec))\n",
+    "    else: print(\"\\t{:}; contains {:d} sections.\".format(fil, n_sec))\n",
+    "    "
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
  "metadata": {
   "kernelspec": {
    "display_name": "Python 3",
@@ -16,10 +117,9 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.6.3"
+   "version": "3.6.4"
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  "nbformat": 4,
  "nbformat_minor": 2
 }
-