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     "data": {
      "text/plain": [
       "'\\nTeilaufgabe 1:\\n> Zerlegen Sie zeilenweise die Datei syslog in die folgenden Bestandteile:\\n- Datum\\n- Uhrzeit\\n- Rechnername\\n- Prozessname\\n- Numerische Prozess-ID (ist nicht in allen Zeilen vorhanden)\\n- Nachricht\\n> Wandeln Sie dabei Datum und Uhrzeit in ein datetime-Objekt um. Nehmen Sie das aktuelle Jahr für die Bildung des Objekts.\\n> Die Ausgabe ist eine Liste mit einem dict pro Zeile aus der Quelldatei.\\nTeilaufgabe 2:\\n> Laden Sie die Datei heidi.md.\\n> Ersetzen Sie den Namen Heidi unter Verwendung des re-Moduls mit einem anderen Mädchennamen. https://de.statista.com/statistik/daten/studie/286369/umfrage/beliebteste-vornamen-fuer-maedchen-in-der-deutschen-schweiz/ liefert Ihnen eine Auswahl.\\n> Speichern Sie den geänderten Text mit dem Dateinamen ab, den Sie ausgewählt haben. Vergessen Sie dabei nicht auf die Dateiendung .md.\\n'"
      ]
     },
     "execution_count": 1,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "import re\n",
    "from datetime import datetime\n",
    "\n",
    "\"\"\"\n",
    "Teilaufgabe 1:\n",
    "> Zerlegen Sie zeilenweise die Datei syslog in die folgenden Bestandteile:\n",
    "- Datum\n",
    "- Uhrzeit\n",
    "- Rechnername\n",
    "- Prozessname\n",
    "- Numerische Prozess-ID (ist nicht in allen Zeilen vorhanden)\n",
    "- Nachricht\n",
    "> Wandeln Sie dabei Datum und Uhrzeit in ein datetime-Objekt um. Nehmen Sie das aktuelle Jahr für die Bildung des Objekts.\n",
    "> Die Ausgabe ist eine Liste mit einem dict pro Zeile aus der Quelldatei.\n",
    "Teilaufgabe 2:\n",
    "> Laden Sie die Datei heidi.md.\n",
    "> Ersetzen Sie den Namen Heidi unter Verwendung des re-Moduls mit einem anderen Mädchennamen. https://de.statista.com/statistik/daten/studie/286369/umfrage/beliebteste-vornamen-fuer-maedchen-in-der-deutschen-schweiz/ liefert Ihnen eine Auswahl.\n",
    "> Speichern Sie den geänderten Text mit dem Dateinamen ab, den Sie ausgewählt haben. Vergessen Sie dabei nicht auf die Dateiendung .md.\n",
    "\"\"\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [],
   "source": [
    "def aufgabe_1() -> list[dict]:\n",
    "    with open(\"syslog.txt\", \"r\", encoding=\"utf-8\") as f:\n",
    "        log = f.read()\n",
    "\n",
    "        pattern = (\n",
    "            r\"^(?P<date>\\w{3}\\s+\\d{1,2})\\s\"\n",
    "            r\"(?P<time>\\d{2}:\\d{2}:\\d{2})\\s\"\n",
    "            r\"(?P<computer>[\\w.-]+)\\s\"\n",
    "            r\"(?P<process>[\\w.-]+)\"\n",
    "            r\"(?:\\[(?P<process_id>\\d+)\\])?:\\s\"\n",
    "            r\"(?P<message>.*)$\"\n",
    "        )\n",
    "\n",
    "        items: list[dict] = []\n",
    "        for match in re.finditer(pattern, log, re.MULTILINE):\n",
    "            m = match.groupdict()\n",
    "            dt_str = f\"{m['date']} {datetime.now().year} {m['time']}\"\n",
    "            dt = datetime.strptime(dt_str, \"%b %d %Y %H:%M:%S\")\n",
    "\n",
    "            items.append(\n",
    "                {\n",
    "                    \"timestamp\": dt,\n",
    "                    \"computer\": m[\"computer\"],\n",
    "                    \"process\": m[\"process\"],\n",
    "                    \"process_id\": m[\"process_id\"],\n",
    "                    \"message\": m[\"message\"].strip(),\n",
    "                }\n",
    "            )\n",
    "\n",
    "        return items"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 21,
   "metadata": {},
   "outputs": [],
   "source": [
    "def aufgabe_2():\n",
    "    with open(\"heidi.md\", \"r\", encoding=\"utf-8\") as f:\n",
    "        text = f.read()\n",
    "\n",
    "    pattern = r\"\\bHeidi\"\n",
    "    new_name = \"Mia\"\n",
    "    text = re.sub(pattern, new_name, text)\n",
    "\n",
    "    output_filename = f\"{new_name.lower()}.md\"\n",
    "    with open(output_filename, \"w\", encoding=\"utf-8\") as f:\n",
    "        f.write(text)\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>timestamp</th>\n",
       "      <th>computer</th>\n",
       "      <th>process</th>\n",
       "      <th>process_id</th>\n",
       "      <th>message</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>2025-04-17 06:44:53</td>\n",
       "      <td>bs1-lab</td>\n",
       "      <td>kernel</td>\n",
       "      <td>None</td>\n",
       "      <td>Linux version 5.10.0-8-amd64 (debian-kernel@li...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>2025-04-17 06:44:53</td>\n",
       "      <td>bs1-lab</td>\n",
       "      <td>kernel</td>\n",
       "      <td>None</td>\n",
       "      <td>Command line: BOOT_IMAGE=/boot/vmlinuz-5.10.0-...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>2025-04-17 06:44:53</td>\n",
       "      <td>bs1-lab</td>\n",
       "      <td>kernel</td>\n",
       "      <td>None</td>\n",
       "      <td>x86/fpu: Supporting XSAVE feature 0x001: 'x87 ...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>2025-04-17 06:44:53</td>\n",
       "      <td>bs1-lab</td>\n",
       "      <td>kernel</td>\n",
       "      <td>None</td>\n",
       "      <td>x86/fpu: Supporting XSAVE feature 0x002: 'SSE ...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>2025-04-17 06:44:53</td>\n",
       "      <td>bs1-lab</td>\n",
       "      <td>kernel</td>\n",
       "      <td>None</td>\n",
       "      <td>x86/fpu: Supporting XSAVE feature 0x004: 'AVX ...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>954</th>\n",
       "      <td>2025-04-17 06:48:49</td>\n",
       "      <td>bs1-lab</td>\n",
       "      <td>sudo</td>\n",
       "      <td>779</td>\n",
       "      <td>tux : TTY=pts/0 ; PWD=/home/tux ; USER=root ; ...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>955</th>\n",
       "      <td>2025-04-17 06:48:49</td>\n",
       "      <td>bs1-lab</td>\n",
       "      <td>sudo</td>\n",
       "      <td>779</td>\n",
       "      <td>pam_unix(sudo:session): session opened for use...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>956</th>\n",
       "      <td>2025-04-17 06:48:50</td>\n",
       "      <td>bs1-lab</td>\n",
       "      <td>sudo</td>\n",
       "      <td>779</td>\n",
       "      <td>pam_unix(sudo:session): session closed for use...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>957</th>\n",
       "      <td>2025-04-17 06:48:59</td>\n",
       "      <td>bs1-lab</td>\n",
       "      <td>sudo</td>\n",
       "      <td>783</td>\n",
       "      <td>tux : TTY=pts/0 ; PWD=/home/tux ; USER=root ; ...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>958</th>\n",
       "      <td>2025-04-17 06:48:59</td>\n",
       "      <td>bs1-lab</td>\n",
       "      <td>sudo</td>\n",
       "      <td>783</td>\n",
       "      <td>pam_unix(sudo:session): session opened for use...</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>959 rows × 5 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "              timestamp computer process process_id  \\\n",
       "0   2025-04-17 06:44:53  bs1-lab  kernel       None   \n",
       "1   2025-04-17 06:44:53  bs1-lab  kernel       None   \n",
       "2   2025-04-17 06:44:53  bs1-lab  kernel       None   \n",
       "3   2025-04-17 06:44:53  bs1-lab  kernel       None   \n",
       "4   2025-04-17 06:44:53  bs1-lab  kernel       None   \n",
       "..                  ...      ...     ...        ...   \n",
       "954 2025-04-17 06:48:49  bs1-lab    sudo        779   \n",
       "955 2025-04-17 06:48:49  bs1-lab    sudo        779   \n",
       "956 2025-04-17 06:48:50  bs1-lab    sudo        779   \n",
       "957 2025-04-17 06:48:59  bs1-lab    sudo        783   \n",
       "958 2025-04-17 06:48:59  bs1-lab    sudo        783   \n",
       "\n",
       "                                               message  \n",
       "0    Linux version 5.10.0-8-amd64 (debian-kernel@li...  \n",
       "1    Command line: BOOT_IMAGE=/boot/vmlinuz-5.10.0-...  \n",
       "2    x86/fpu: Supporting XSAVE feature 0x001: 'x87 ...  \n",
       "3    x86/fpu: Supporting XSAVE feature 0x002: 'SSE ...  \n",
       "4    x86/fpu: Supporting XSAVE feature 0x004: 'AVX ...  \n",
       "..                                                 ...  \n",
       "954  tux : TTY=pts/0 ; PWD=/home/tux ; USER=root ; ...  \n",
       "955  pam_unix(sudo:session): session opened for use...  \n",
       "956  pam_unix(sudo:session): session closed for use...  \n",
       "957  tux : TTY=pts/0 ; PWD=/home/tux ; USER=root ; ...  \n",
       "958  pam_unix(sudo:session): session opened for use...  \n",
       "\n",
       "[959 rows x 5 columns]"
      ]
     },
     "execution_count": 18,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "import pandas as pd\n",
    "df = pd.DataFrame(aufgabe_1())\n",
    "df"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 22,
   "metadata": {},
   "outputs": [],
   "source": [
    "aufgabe_2()"
   ]
  }
 ],
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