Paper 24

Modernizing Legacy SAS(R) Applications and Program Code

September 24, 2025: 1:00 PM - 1:30 PM

Intermediate and Advanced Coding Skills (IACS), Breakout Room #9

Authors	Abstract
Kirk Paul Lafler	Whether you are a novice or experienced SAS® programmer tasked with supporting your organization’s legacy applications, programs, and code, resources are available to help you modernize and streamline for the 21st century and beyond. This paper examines popular constructs, statements, functions, algorithms, operators, methods, expressions, and programming techniques that can be applied to update and optimize code first introduced as far back as the 1970s. Attendees will learn a variety of approaches to simplify, scale, and modernize legacy applications and program code while improving efficiency, maintainability, and long-term sustainability.

Kirk Paul Lafler

Whether you are a novice or experienced SAS® programmer tasked with supporting your organization’s legacy applications, programs, and code, resources are available to help you modernize and streamline for the 21st century and beyond. This paper examines popular constructs, statements, functions, algorithms, operators, methods, expressions, and programming techniques that can be applied to update and optimize code first introduced as far back as the 1970s. Attendees will learn a variety of approaches to simplify, scale, and modernize legacy applications and program code while improving efficiency, maintainability, and long-term sustainability.