SAS® Macro Programming Made Easy, Second Edition

Chapter 2. Mechanics of Macro Processing

Introduction	23
The Vocabulary of SAS Processing	24
SAS Processing without Macro Activity	25
Understanding Tokens	26
Tokenizing a SAS Program	28
Comparing Macro Language Processing and SAS Language Processing	29
Processing a SAS Program That Contains Macro Language	30

Introduction

Understanding the steps that SAS takes to process a program will help you determine where macro facility features can be incorporated in your SAS programs. You do not need a detailed knowledge of the mechanics of macro processing to write SAS programs that include macro features. However, an understanding of the timing of macro language processing, as it relates to SAS language processing, can help you write more powerful programs and make it ...