File Handling

Table of Contents

Index

Chapter 12: GUI Data Tools

• 12.1 Introduction
• 12.2 Types of Data Files
  • 12.2.1 File Types and Record Lengths
    • 12.2.1.1 Identifying a File Type
    • 12.2.1.2 Identifying a Record Length
• 12.3 Data Tools Settings
  • 12.3.1 Configuring Codesets
• 12.4 Creating and Opening Data Files
  • 12.4.1 Defining Keys
  • 12.4.2 Opening Files
• 12.5 The Data File Editor Window
  • 12.5.1 Record View (Unformatted View)
  • 12.5.2 Field View (Formatted View)
  • 12.5.3 Keeping the Two Views in Step
• 12.6 Creating Records
  • 12.6.1 Creating Sequential File Records
  • 12.6.2 Creating Relative File Records
  • 12.6.3 Creating Indexed File Records
  • 12.6.4 Creating ESDS File Records
• 12.7 Deleting Records
• 12.8 Viewing Data
  • 12.8.1 Viewing File Information
  • 12.8.2 Changing Character Sets
  • 12.8.3 Changing the Key of Reference for Viewing Indexed Files
  • 12.8.4 Viewing Non-sequential Files
• 12.9 Editing Data
  • 12.9.1 Finding Data
  • 12.9.2 Editing Records
  • 12.9.3 Editing Fields
  • 12.9.4 Editing in Hexadecimal
  • 12.9.5 Initializing Data
  • 12.9.6 Changing the Length of a Record in a Variable Length File
• 12.10 Searching a File
• 12.11 Printing Data
  • 12.11.1 Printing from the Unformatted View
  • 12.11.2 Printing from the Formatted View
• 12.12 Record Layouts
  • 12.12.1 Types of Record Layout
  • 12.12.2 Using Record Layouts
• 12.13 Converting Data Files
• 12.14 Fix File Index