Control Statements

Understanding the Language

Control Statements

SAS/IML software has a set of statements for controlling program execution. Control statements direct the flow of execution of statements in IML. With them, you can define DO-groups and modules (also known as subroutines) and route execution of your program. Some control statements are described as follows.

Statements		Action
DO, END		group statements
iterative DO, END		define an iteration loop
GOTO, LINK		transfer control
IF-THEN/ELSE		routes execution conditionall
PAUSE		instructs a module to pause during execution
QUIT		ends a SAS/IML session
RESUME		instructs a module to resume execution
RETURN		returns from a LINK statement or a CALL module
RUN		executes a module
START, FINISH		define a module
STOP, ABORT		stop execution of an IML program

See Chapter 5, "Programming Statements," later in this book for more information on control statements.

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