Created on Skills Network Labs

ReadingWritingFiles.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 25,
   "metadata": {},
   "outputs": [],
   "source": [
    "#Opening a File\n",
    "f1=open(\"file.txt\");"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 26,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'file.txt'"
      ]
     },
     "execution_count": 26,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "f1.name"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 27,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'r'"
      ]
     },
     "execution_count": 27,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "f1.mode"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 82,
   "metadata": {},
   "outputs": [],
   "source": [
    "f1.close();"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 59,
   "metadata": {},
   "outputs": [],
   "source": [
    "#Reading File"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "This is line 1 \n",
      "THis is line 2 \n",
      "THis is line 3\n",
      "True\n",
      "This is line 1 \n",
      "THis is line 2 \n",
      "THis is line 3\n"
     ]
    }
   ],
   "source": [
    "with open(\"file.txt\") as f:\n",
    "    file_read=f.read();\n",
    "    print(file_read);\n",
    "print(f.closed);\n",
    "print(file_read);"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 38,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "['This is line 1 \\n', 'THis is line 2 \\n', 'THis is line 3\\n']\n"
     ]
    }
   ],
   "source": [
    "with open(\"file.txt\",'r') as f:\n",
    "    file_read=f.readlines();\n",
    "    print(file_read);\n",
    "    \n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 37,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "This is line 1 \n",
      "\n",
      "THis is line 2 \n",
      "\n",
      "THis is line 3\n",
      "\n"
     ]
    }
   ],
   "source": [
    "with open(\"file.txt\",'r') as f:\n",
    "    file_read=f.readline();\n",
    "    print(file_read);\n",
    "    file_read=f.readline();\n",
    "    print(file_read);\n",
    "    file_read=f.readline();\n",
    "    print(file_read);\n",
    "    \n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 36,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "This is line 1 \n",
      "\n",
      "THis is line 2 \n",
      "\n",
      "THis is line 3\n",
      "\n"
     ]
    }
   ],
   "source": [
    "with open(\"file.txt\",'r') as f:\n",
    "    for i in f:\n",
    "        print(i);"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 56,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "This\n",
      " is li\n",
      "ne 1 \n",
      "\n",
      "THis is line 2 \n",
      "\n"
     ]
    }
   ],
   "source": [
    "with open(\"file.txt\",'r') as fi:\n",
    "    files=fi.readline(4);\n",
    "    print(files);\n",
    "    files=fi.readline(6);\n",
    "    print(files);\n",
    "    files=fi.readline(9);\n",
    "    print(files);\n",
    "    files=fi.readline(16);\n",
    "    print(files);"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 60,
   "metadata": {},
   "outputs": [],
   "source": [
    "#Writing Files \n",
    "\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 58,
   "metadata": {},
   "outputs": [],
   "source": [
    "f=open(\"files.txt\",'w');\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 76,
   "metadata": {},
   "outputs": [],
   "source": [
    "with open(\"files.txt\",\"w\") as f:\n",
    "    f.write(\"hello world\\n\");\n",
    "    f.write(\"Line 2\\n\");\n",
    "    f.write(\"Line 3\\n\");\n",
    "    f.write(\"Line 4\");\n",
    "    \n",
    "   \n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 77,
   "metadata": {},
   "outputs": [],
   "source": [
    "Lines=[\"Line 1\\n\",\"Line 2\\n\"];\n",
    "with open(\"files2.txt\",\"w\") as f:\n",
    "    for i in Lines:\n",
    "        f.write(i);"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 78,
   "metadata": {},
   "outputs": [],
   "source": [
    "#Appending in a file\n",
    "with open(\"files2.txt\",\"a\") as f:\n",
    "    f.write(\"This is end line\");"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 79,
   "metadata": {},
   "outputs": [],
   "source": [
    "#Copy from one file to new file"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 81,
   "metadata": {},
   "outputs": [],
   "source": [
    "with open(\"file.txt\",\"r\") as f:\n",
    "    with open(\"files3.txt\",\"w\") as fi:\n",
    "        for i in f:\n",
    "            fi.write(i);"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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