Page 278 - DCAP404 _Object Oriented Programming

Yadwinder Singh, Lovely Professional University Unit 13: Working with Files

Unit 13: Working with Files Notes

CONTENTS
Objectives
Introduction
13.1 Data Streams

13.2 Opening a File
13.3 Reading/Writing a Character from/into a File
13.4 Appending

13.5 Processing and Closing a File
13.6 Different Types of Files
13.6.1 Types of File Systems
13.6.2 File Systems and Operating Systems
13.6.3 Binary Files

13.7 Command Line Arguments
13.8 Summary
13.9 Keywords

13.10 Review Questions
13.11 Further Readings

Objectives

After studying this unit, you will be able to:
 Demonstrate the opening a file

 Recognize the reading and writing in a file
 Describe the appending in a file
 Explain the processing and closing a file
 Discuss the different types of files

 Discuss the command line arguments
Introduction

Programs often input data from reading from a data file and output the result into another
(or same) data file. This unit will focus on issues related to accessing data from a data file
through a C++ program.

13.1 Data Streams

Programs would not be very useful if they cannot input and/or output data from/to users. Some
programs that require little or no input for their execution are designed to be interactive through

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