| Understanding the Interactive Matrix 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 conditionally | |
| 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 |
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