Keywords - Function groups - @ A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Group: Flow Control
See also: endo until while

Function: do
Description: do starts a loop until the first element of the argument of until is true. do has to be followed by an until.

Usage: do <xplore commands> until (cond)

Example:
proc(j)=factorial(x)
  if(x>1)
    j=1
    do
      j=j*x
      x=x-1
    until(x<2)
  else
    j=x
  endif
endp
factorial(5)

Result:
Contents of j
[1,]      120



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