Difference between revisions of "UNTIL"

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''Syntax 1:'' DO UNTIL evaluation
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{{PageSyntax}}
 
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:: DO [UNTIL] evaluation
''Syntax 2:'' LOOP UNTIL evaluation
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:: .
 
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:: .
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:: .
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:: LOOP UNTIL evaluation
  
  
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* 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.
 
* 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.
 
* LOOP UNTIL evaluates a condition inside of the loop. It has to loop once.
 
* Skips the loop or loops until an evaluation becomes True.
 
* Skips the loop or loops until an evaluation becomes True.
  
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{{Template:RelationalTable}}
  
  
 
''See also:''  
 
''See also:''  
 
 
*[[WHILE]]
 
*[[WHILE]]
 
*[[DO...LOOP]]
 
*[[DO...LOOP]]
 
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*[[WHILE...WEND]]
  
 
{{PageNavigation}}
 
{{PageNavigation}}

Latest revision as of 20:08, 19 December 2011

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
= Equal IF a = b THEN
<> NOT equal IF a <> b THEN
< Less than IF a < b THEN
> Greater than IF a > b THEN
<= Less than or equal IF a <= b THEN
>= Greater than or equal IF a >= b THEN


See also:



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