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UNTIL

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The UNTIL condition is used in DO...LOOP exit verifications.


Syntax:

DO [UNTIL] evaluation
.
.
.
LOOP UNTIL evaluation


  • Only one conditional evaluation can be made at the start or the end of a DO...LOOP.
  • DO UNTIL evaluates a condition before and inside of the loop. The loop may not run at all.
  • LOOP UNTIL evaluates a condition inside of the loop. It has to loop once.
  • Skips the loop or loops until an evaluation becomes True.


Relational Operators:
Symbol Condition Example Usage
<  Less than  IF a < b THEN
>  Greater than  IF a > b THEN
=  Equal  IF a = b THEN
<=  Less than or equal  IF a <= b THEN
>=  Greater than or equal  IF a >= b THEN
<>  NOT equal  IF a <> b THEN


See also:


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