SAS® Certification Prep Guide: Advanced Programming for SAS®9 Second Edition

Chapter 10. Processing Macro Variables at Execution Time

• Overview 326

  • Introduction 326

  • Objectives 327

  • Prerequisites 327

• Creating a Macro Variable During DATA Step Execution 327

  • Example 329

  • The SYMPUT Routine 330

  • Using SYMPUT with a Literal 331

  • Example 331

  • Using SYMPUT with a DATA Step Variable 332

  • Example 333

  • The SYMPUTX Routine 334

  • Example 335

  • Using CALL SYMPUT with DATA Step Expressions 336

  • Example 338

  • PUT Function 339

  • Example 340

• Creating Multiple Macro Variables During DATA Step Execution 341

  • Creating Multiple Macro Variables with CALL SYMPUT 341

  • Example 342

• Referencing Macro Variables Indirectly 344

  • Introduction 344

  • The Forward Re-Scan Rule 345

  • Example 345

  • Example 346

  • Example 348

• Obtaining Macro Variable Values During DATA Step Execution 350

  • The SYMGET Function 350 ...