Programming in Lua
	Part I. The Language              Chapter 4. Statements

4.3.3 - repeat

As the name implies, a repeat-until statement repeats its body until its condition is true. The test is done after the body, so the body is always executed at least once.

    -- print the first non-empty line
    repeat
      line = os.read()
    until line ~= ""
    print(line)

Copyright © 2003-2004 Roberto Ierusalimschy. All rights reserved.