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 "metadata": {
  "name": ""
 },
 "nbformat": 3,
 "nbformat_minor": 0,
 "worksheets": [
  {
   "cells": [
    {
     "cell_type": "heading",
     "level": 1,
     "metadata": {},
     "source": [
      "Chapter 13: C Preprocessor and Command Line Arguments"
     ]
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 1, Page Number : PCL-3"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "def BIG(a,b):\n",
      "    if a > b:\n",
      "        return a\n",
      "    else:\n",
      "        return b\n",
      "    \n",
      "def WAITMSG():\n",
      "    return \"\\nPress any key to continue...\"\n",
      "    \n",
      "x = int(raw_input(\"\\nEnter two integers : \"))\n",
      "y = int(raw_input(\"\"))\n",
      "\n",
      "print \"\\nBiggest integer is \",BIG(x,y),WAITMSG()"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "\n",
        "Enter two integers : 5\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "8\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "\n",
        "Biggest integer is  8 \n",
        "Press any key to continue...\n"
       ]
      }
     ],
     "prompt_number": 3
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 2, Page Number : PCL-6"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "import time\n",
      "\n",
      "argv1 = \"SAMPLE.TXT\"\n",
      "argv2 = \"SAMPLE.BAK\"\n",
      "\n",
      "source_fptr = open(\"SAMPLE.TXT\",\"r\")\n",
      "target_fptr = open(\"SAMPLE.BAK\",\"w+\")\n",
      "\n",
      "if source_fptr == 0:\n",
      "    print \"\\nNo content/source file!!!\"\n",
      "    print \"\\n      press any key to continue...\"\n",
      "else:\n",
      "    print \"\\nCopying source file \",argv1,\" to target file \",argv2\n",
      "    print \"\\n  please wait.\"\n",
      "    print \".\"\n",
      "    print \".\"\n",
      "    print \".\"\n",
      "    print \".\"\n",
      "\n",
      "    if target_fptr == 0:\n",
      "        print \"\\nNo content/target file!!!\"\n",
      "        print \"\\n\\n  Press any key to continue...\"\n",
      "    else:\n",
      "        while True:\n",
      "            ch = source_fptr.read(1)\n",
      "            if not ch:\n",
      "                break\n",
      "            target_fptr.write(\"%c\"%(ch))\n",
      "        print \"\\n\\nCopy completed, the target file contents\"\n",
      "        print \"\\n----------------------------------------\\n\"\n",
      "        target_fptr.close()\n",
      "        target_fptr = open(\"SAMPLE.BAK\",\"r\")\n",
      "        ch = target_fptr.readlines()\n",
      "        for line in ch:\n",
      "            print line\n",
      "        source_fptr.close()\n",
      "        target_fptr.close()\n",
      "        print \"\\n\\n press any key to continue...\""
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "\n",
        "Copying source file  SAMPLE.TXT  to target file  SAMPLE.BAK\n",
        "\n",
        "  please wait.\n",
        ".\n",
        ".\n",
        ".\n",
        ".\n",
        "\n",
        "\n",
        "Copy completed, the target file contents\n",
        "\n",
        "----------------------------------------\n",
        "\n",
        "Computer Programming in C language is widely used for Science and Engineering applications.\n",
        "\n",
        "\n",
        " press any key to continue...\n"
       ]
      }
     ],
     "prompt_number": 2
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [],
     "language": "python",
     "metadata": {},
     "outputs": []
    }
   ],
   "metadata": {}
  }
 ]
}