diff options
Diffstat (limited to 'Practical_C_Programming/Chapter_14_1.ipynb')
| -rw-r--r-- | Practical_C_Programming/Chapter_14_1.ipynb | 98 |
1 files changed, 88 insertions, 10 deletions
diff --git a/Practical_C_Programming/Chapter_14_1.ipynb b/Practical_C_Programming/Chapter_14_1.ipynb index b2876b44..6d3c736e 100644 --- a/Practical_C_Programming/Chapter_14_1.ipynb +++ b/Practical_C_Programming/Chapter_14_1.ipynb @@ -1,6 +1,7 @@ { "metadata": { - "name": "Chapter 14" + "name": "", + "signature": "sha256:aaf3603d1f605477459dd54990dcc4c8c154c9c808805468e92c30fde9487343" }, "nbformat": 3, "nbformat_minor": 0, @@ -11,18 +12,42 @@ "cell_type": "heading", "level": 3, "metadata": {}, - "source": "Chapter 14: File input/output" + "source": [ + "Chapter 14: File input/output" + ] }, { "cell_type": "heading", "level": 3, "metadata": {}, - "source": "Example 14.1, Page number: 253" + "source": [ + "Example 14.1, Page number: 253" + ] }, { "cell_type": "code", "collapsed": false, - "input": "# Example 14.1.py\n# To count the number of characters in the file 'input.txt'\n\n\n# Variable declaration\nimport os\ncount = 0\nin_file = open ('input.txt', 'r')\n \n# Calculation and result\nif not os.path.exists ('input.txt') :\n print ('Cannot open input.txt\\n')\n\nwhile (1) :\n ch = in_file.read(1)\n if not ch :\n break\n count += 1\n\nprint ('Number of characters in input.txt is %d\\n' % count)\n\nin_file.close()", + "input": [ + "\n", + "# Variable declaration\n", + "import os\n", + "count = 0\n", + "in_file = open ('input.txt', 'r')\n", + " \n", + "# Calculation and result\n", + "if not os.path.exists ('input.txt') :\n", + " print ('Cannot open input.txt\\n')\n", + "\n", + "while (1) :\n", + " ch = in_file.read(1)\n", + " if not ch :\n", + " break\n", + " count += 1\n", + "\n", + "print ('Number of characters in input.txt is %d\\n' % count)\n", + "\n", + "in_file.close()" + ], "language": "python", "metadata": {}, "outputs": [ @@ -43,12 +68,29 @@ "cell_type": "heading", "level": 3, "metadata": {}, - "source": "Example 14.3, Page number: 257" + "source": [ + "Example 14.3, Page number: 257" + ] }, { "cell_type": "code", "collapsed": false, - "input": "# Example 14.3.py\n# To check whether a file exists or not\n\n\n# Variable declaration\nimport sys\nimport os\nin_file = open ('input.txt', 'r')\n \n# Calculation and result\nif not os.path.exists (name) :\n print ('Could not open file\\n')\n sys.exit(1)\nprint ('File found\\n')\n\nin_file.close()", + "input": [ + "\n", + "\n", + "# Variable declaration\n", + "import sys\n", + "import os\n", + "in_file = open ('input.txt', 'r')\n", + " \n", + "# Calculation and result\n", + "if not os.path.exists (name) :\n", + " print ('Could not open file\\n')\n", + " sys.exit(1)\n", + "print ('File found\\n')\n", + "\n", + "in_file.close()" + ], "language": "python", "metadata": {}, "outputs": [ @@ -69,12 +111,31 @@ "cell_type": "heading", "level": 3, "metadata": {}, - "source": "Example 14.4, Page number: 260" + "source": [ + "Example 14.4, Page number: 260" + ] }, { "cell_type": "code", "collapsed": false, - "input": "# Example 14.4.py\n# To write to a file\n\n\n# Variable declaration\nimport sys\nimport os\nout_file = open ('test.out', 'w')\n \n# Calculation and result\nif not os.path.exists ('test.out') :\n print ('Cannot open output file\\n')\n sys.exit(1)\n\nfor cur_char in range (0, 128) :\n out_file.write(str (cur_char))\n out_file.write('\\n')\n\nout_file.close()", + "input": [ + "\n", + "# Variable declaration\n", + "import sys\n", + "import os\n", + "out_file = open ('test.out', 'w')\n", + " \n", + "# Calculation and result\n", + "if not os.path.exists ('test.out') :\n", + " print ('Cannot open output file\\n')\n", + " sys.exit(1)\n", + "\n", + "for cur_char in range (0, 128) :\n", + " out_file.write(str (cur_char))\n", + " out_file.write('\\n')\n", + "\n", + "out_file.close()" + ], "language": "python", "metadata": {}, "outputs": [], @@ -84,12 +145,29 @@ "cell_type": "heading", "level": 3, "metadata": {}, - "source": "Example 14.5, Page number: 267" + "source": [ + "Example 14.5, Page number: 267" + ] }, { "cell_type": "code", "collapsed": false, - "input": "# Example 14.5.py\n# To copy the contents of a file to another file\n\n\n# Variable declaration\ntxt_file = open ('input.txt')\n\nsource_content = txt_file.read()\n\ntarget = open ('output.txt', 'w')\n\n# Calculation and result\ntarget.write(source_content)\nprint ('Content copied')\n\ntarget.close()", + "input": [ + "\n", + "\n", + "# Variable declaration\n", + "txt_file = open ('input.txt')\n", + "\n", + "source_content = txt_file.read()\n", + "\n", + "target = open ('output.txt', 'w')\n", + "\n", + "# Calculation and result\n", + "target.write(source_content)\n", + "print ('Content copied')\n", + "\n", + "target.close()" + ], "language": "python", "metadata": {}, "outputs": [] |