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WHILE - Quick reference

Reference

Other versions: 7.31 | 7.40 | 7.54

Syntax

WHILE log_exp 
  
   [VARY dobj FROM dobj1 NEXT dobj2 [RANGE range] 

      [VARY ...]]. 
  [statement_block] 
ENDWHILE. 

Effect

Executes the statement block statement_block in a loop as long as the logical expression log_exp is true.

Addition

• VARY dobj FROM dobj1 NEXT dobj2 [RANGE range]
  Obsolete: In each loop pass of a variable, assigns a value from the sequence defined in the memory using dobj1 and dobj2 to a variable dobj. The data object range limits the addressable memory area.