[Templates] reiteration question, by increments of something other than 1

[Josh Rosenbaum]

Me wrote:
> I need to do a  FOREACH and increment by a number
> other than one.
> 
> for example. I might have this..
> 
> FOREACH y = [0..40]
> 
> --> but I want to increment by 3
> 
> so, it would print..
> 
> 1, 3, 6, 9 etc.. up to 40 (of course, 3 doesn't go
> into 40 evently, so that last number to effectively
> take a 3).
> 
> I don't want to do MOD. I want a more elequent
> solution if there is one.
> 
> is there

Why not just use while?

[% y = 1 %]
[% WHILE y < 40 %]
do stuff here.
[% y = y + 3 %]
[% END %]

If you're absolutely determined to use foreach, I suppose you could create a routine that creates the list to use in the foreach.

ie:
[% FOREACH y IN get_incremented_list(1,40,3) %]
[% END %]


-- Josh