IF

Reference

Syntax

IF log_exp1.
  [statement_block1]
[ELSEIF log_exp2.
  [statement_block2]]
...
[ELSE.
  [statement_blockn]]
ENDIF.

Effect

Defines a control structure with several statement blocks statement_block1, ... statement_blockn. The statement block after the first true logical expression log_exp1, log_exp2, ... is executed. If no logical expression is true, the statement block after ELSE is executed.