while booleanexpression
statement(s)
end while
Execute the statement(s) inside the while loop until the booleanexpression evaluates to false. While / End While executes the statements zero or more times. The test is done before the code in the loop is executed.
r = 1 while r < 6 print r r = r + 1 end while
will display
1 2 3 4 5
0.9.4g