begin (Conditional) Loop Commands

again

( -- ) 

End a begin...again infinite loop.

begin

( -- ) 

Begin a begin...while...repeat, begin...until, or begin...again loop.

repeat

( -- ) 

End a begin...while...repeat loop.

until

( flag -- ) 

Continue executing a begin...until loop until flag is true.

while

( flag -- ) 

Continue executing a begin...while...repeat loop while flag is true.