SAS Certified Professional Prep Guide

Using SAS Functions with Macro Variables

The %SYSFUNC Function

A Brief Overview

The %SYSFUNC function executes SAS functions or user-written functions in the macro facility. All arguments in DATA step functions within %SYSFUNC must be separated by commas. You cannot use argument lists preceded by the word OF.

Note: The arguments in %SYSFUNC are evaluated according to the rules of the SAS macro language. This includes both the function name and the argument list in the function. In particular, an empty argument position will not generate a NULL argument, but a zero-length argument.

%SYSFUNC does not mask special characters or mnemonic operators in its result.

When a function called by %SYSFUNC requires a numeric argument, the macro facility ...