C++ How to Program, 10/e

14 File Processing

Objectives

In this chapter you’ll:

• Create, read, write and update files.

• Perform sequential file processing.

• Perform random-access file processing.

• Use high-performance unformatted I/O operations.

• Understand the differences between formatted-data and raw-data file processing.

• Build a transaction-processing program using random-access file processing.

• Understand the concept of object serialization.

Outline

1. 14.1 Introduction

2. 14.2 Files and Streams

3. 14.3 Creating a Sequential File

   1. 14.3.1 Opening a File

   2. 14.3.2 Opening a File via the open Member Function

   3. 14.3.3 Testing Whether a File Was Opened Successfully

   4. 14.3.4 Overloaded bool Operator

   5. 14.3.5 Processing Data

   6. 14.3.6 Closing a File

   7. 14.3.7 Sample Execution

4. 14.4 Reading ...