do while in ruby

How to achieve the do ..while loop in Ruby?
Yes this can be, just bit tricky.
Just consider one of the syntax of while loop in ruby

<expression> while <expression>

This repeats evaluation of left hand side expression, while right hand side is true.

x = 5
begin
  print x
  print " "
  x += 1
end while(x<10)

o/p
5 6 7 8 9