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repeat { } until ( expression )


The repeat..until control structure executes the code block between the statements, and then evaluates the expression. This will make it so that repeat..until loops will always execute the code within the loop at least once. This command differs from the while command because the expression is evaluated prior to the code inside the code block, where while evaluates the expression after executing it's code block.


set %str Hello , #spc , World 
  set %str %str , ! 
  str len %str
until #strres >= 30 
display ok %str 

The example above illustrates the difference between a repeat..until loop and a while loop. the exclamation point will always be concatinated to the end of the %str variable, and str len will be executed once before the test for #strRes >= 30 is first evaluated.

Note: Only available in EasyUO 1.5+

See Also

Flow Control

  • Flow control commands allow scripts to make decisions based on the evaluation of boolean expressions.
break Jumps to first statement outside of loop
call Transfers execution to another script file
continue Jumps execution of a loop to next iteration
exit Exits a called script
for Creates a counting loop
gosub Transfers execution to the matching sub
goto Jumps to another part of the script given by a label
halt Stops the script
if Executes code based on the evaluation of an expression
pause Temporarily stops the execution of the current script
repeat..until Creates a loop that checks condition after execution
return Returns from a sub
stop Ends the script
while Creates a loop that checks condition before execution