User Guide

Table of Contents

Index

Chapter 12: Year 2000 Problems and Solutions

• 12.1 Year 2000 Problems in COBOL Programs
• 12.2 SmartFix Assumptions and Restrictions
• 12.3 Comparisons
• 12.4 PERFORM Statements
  • 12.4.1 PERFORM UNTIL Condition
  • 12.4.2 PERFORM VARYING ... Where the Varied Item is not Compared
  • 12.4.3 PERFORM VARYING ... Until the Varied Item Meets a Condition
  • 12.4.4 PERFORM WITH TEST AFTER
  • 12.4.5 PERFORM Out-of-Line-Procedure
  • 12.4.6 EXIT PERFORM and GOTO
  • 12.4.7 Summary of Fixes Needed for PERFORM Variants
• 12.5 EVALUATE Statements
• 12.6 CALL Statements
• 12.7 Subtraction
  • 12.7.1 Subtracting One Year from Another
  • 12.7.2 Subtracting a Value from a Year
  • 12.7.3 Subtracting Giving a Year in a Nonyear Data Item
  • 12.7.4 Negative Addition
• 12.8 Addition without Truncation
• 12.9 Date Truncation
• 12.10 Multiplication and Division
  • 12.10.1 Division by the Year 00
• 12.11 Special Values in Date Handling
  • 12.11.1 Literals 4, 12, 365
  • 12.11.2 Literals 19 and 20
  • 12.11.3 Sentinels
  • 12.11.4 Complements
• 12.12 Group Items
  • 12.12.1 Implicit Century
  • 12.12.2 Redefined Group Items
• 12.13 Subscripts
• 12.14 Reference Modification
• 12.15 Constructs Using Keys