[thelist] Looping Psuedocode

[Tab Alleman]

shortestpath wrote:
>  Basically I want to see some Psuedocode that
> solves:
> 
>  from ::   to ::
>   Item A    Item A
>   Item A    Item B
>   Item A    Item C
>   Item B
>   Item B
>   Item B
>   Item B
>   Item C
>   Item C

A generic looping solution I've used:

SET varOldValue = SomeValueThatCannotAppearInTheList
FOR EACH Item IN TheList
	Set varNewValue = ThisItemValue
	IF varNewValue <> varOldValue THEN
		(This is a new item...write it or whatever)
		Set varOldValue = varNewValue
	END IF
NEXT Item

HTH,
Tab