Library /sys$common/syshlp/basichelp.hlb WHILE  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  The WHILE statement marks the beginning of a WHILE loop or  qualifies  the
  execution of another statement.

  Examples

  X = 1
  WHILE X<100
      X = X + SQR(X)
  NEXT

  X% = X% + 1% WHILE X% > 100%

  Additional Information (explode) :

• Syntax