{
 "cells": [
  {
   "cell_type": "markdown",
   "id": "adjustable-sphere",
   "metadata": {},
   "source": [
    "# Dateien und Verzeichnisse erstellen, aktualisieren und löschen"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "continental-feelings",
   "metadata": {},
   "source": [
    "Legt ein neues Verzeichnis `test` an und überprüft dieses anschließend mit `ls`:"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "powered-lesbian",
   "metadata": {},
   "outputs": [],
   "source": [
    "!mkdir tests"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "bigger-check",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "create-delete.ipynb           index.rst\n",
      "create-delete.ipynb.license   pipes-filters.ipynb\n",
      "file-system.ipynb             pipes-filters.ipynb.license\n",
      "file-system.ipynb.license     shell-variables.ipynb\n",
      "grep-find.ipynb               shell-variables.ipynb.license\n",
      "grep-find.ipynb.license       \u001b[34mtests\u001b[m\u001b[m\n"
     ]
    }
   ],
   "source": [
    "!ls"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "baking-nebraska",
   "metadata": {},
   "source": [
    "Dann legen wir in diesem Verzeichnis die Datei `test_file.txt` an:"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "white-render",
   "metadata": {},
   "outputs": [],
   "source": [
    "!touch tests/test_file.txt"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "leading-malpractice",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "test_file.txt\n"
     ]
    }
   ],
   "source": [
    "!ls tests"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "intelligent-richardson",
   "metadata": {},
   "source": [
    "Nun ändern wir das Suffix der Datei:"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "mature-country",
   "metadata": {},
   "outputs": [],
   "source": [
    "!mv tests/test_file.txt tests/test_file.py"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "id": "joined-notebook",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "test_file.py\n"
     ]
    }
   ],
   "source": [
    "!ls tests"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "conscious-peace",
   "metadata": {},
   "source": [
    "Nun erstellen wir eine Kopie dieser Datei:"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "id": "figured-value",
   "metadata": {},
   "outputs": [],
   "source": [
    "!cp tests/test_file.py tests/test_file2.py"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "id": "lined-moldova",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "test_file.py  test_file2.py\n"
     ]
    }
   ],
   "source": [
    "!ls tests"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "announced-patch",
   "metadata": {},
   "source": [
    "Auch ein Verzeichnis mit allen darin enthaltenen Dateien kann rekursiv mit der Option `-r` kopiert werden:"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "id": "persistent-funds",
   "metadata": {},
   "outputs": [],
   "source": [
    "!cp -r tests tests.bak"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "id": "subject-samuel",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "test_file.py  test_file2.py\n"
     ]
    }
   ],
   "source": [
    "!ls tests.bak"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "eight-rainbow",
   "metadata": {},
   "source": [
    "Zum Schluss löschen wir die Verzeichnisse `tests` und `tests.bak` wieder:"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "id": "broke-mouth",
   "metadata": {},
   "outputs": [],
   "source": [
    "!rm -r tests tests.bak"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "id": "fatty-spelling",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "create-delete.ipynb           index.rst\n",
      "create-delete.ipynb.license   pipes-filters.ipynb\n",
      "file-system.ipynb             pipes-filters.ipynb.license\n",
      "file-system.ipynb.license     shell-variables.ipynb\n",
      "grep-find.ipynb               shell-variables.ipynb.license\n",
      "grep-find.ipynb.license\n"
     ]
    }
   ],
   "source": [
    "!ls"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "peripheral-timer",
   "metadata": {},
   "source": [
    "## Dateien übertragen"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "brazilian-floating",
   "metadata": {},
   "source": [
    "### `wget`"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "id": "thousand-glenn",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "--2024-11-05 19:34:43--  https://dvc.org/deb/dvc.list\n",
      "Auflösen des Hostnamens dvc.org (dvc.org)… 2606:4700:3033::ac43:a44c, 2606:4700:3036::6815:51cd, 104.21.81.205, ...\n",
      "Verbindungsaufbau zu dvc.org (dvc.org)|2606:4700:3033::ac43:a44c|:443 … verbunden.\n",
      "FEHLER: Das Zertifikat von dvc.org kann nicht geprüft werden, ausgestellt von »CN=WE1,O=Google Trust Services,C=US«:.\n",
      "  Die Autorität des Ausstellers des Zertifikates kann lokal nicht geprüft werden.\n",
      "Verwenden Sie »--no-check-certificate«, um zu dem Server dvc.org eine nicht gesicherte Verbindung aufzubauen.\n"
     ]
    }
   ],
   "source": [
    "!wget https://dvc.org/deb/dvc.list"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "subjective-bandwidth",
   "metadata": {},
   "source": [
    "* `-r` crawlt rekursiv andere Dateien und Verzeichnisse\n",
    "* `-np` vermeidet das Crawlen in übergeordneten Verzeichnissen\n",
    "* `-D` zielt nur auf den folgenden Domainnamen\n",
    "* `-nH` vermeidet das Anlegen eines Unterverzeichnisses für den Inhalt der Website\n",
    "* `-m` spiegelt mit Zeitstempel, unendlicher Rekursionstiefe und Erhaltung der FTP-Verzeichniseinstellungen\n",
    "* `-q` unterdrückt die Ausgabe auf dem Bildschirm"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "pursuant-stephen",
   "metadata": {},
   "source": [
    "### `cURL`\n",
    "\n",
    "Alternativ könnt ihr cURL verwenden, das eine viel größere Auswahl an Protokollen unterstützt."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "id": "royal-wilderness",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current\n",
      "                                 Dload  Upload   Total   Spent    Left  Speed\n",
      "100    85  100    85    0     0    227      0 --:--:-- --:--:-- --:--:--   227\n"
     ]
    }
   ],
   "source": [
    "!curl -o dvc.list https://dvc.org/deb/dvc.list"
   ]
  }
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