Int Iterator

Sometimes you want the sweep version of the FloatIterator's idea but the numbers only come in whole increments - seed ranges, step counts, batch sizes, "try batch 1 through 6." IntIterator is exactly that: start, stop, step, done. It emits a list of integers and ComfyUI fans that list out, running your downstream chain once per value, no manual re-queueing.

It's the thinnest node in the wakaura-asaho/comfyui-dynamic-selector pack, and that's a compliment. There's no parsing, no drift guards to worry about - integers are exact - just a straightforward range.

How it works

Three inputs, mirroring its float sibling:

• initialization - the start (default 0).
• condition - the stop (default 10).
• update - the step (default 1).

It builds range(start, stop, step) and hands you the whole list on one INT output. Since it's a list output, ComfyUI unpacks it and runs everything downstream once per integer. The stop value is exclusive - start 0, stop 10 gives you 0 through 9 - which trips up roughly everyone once.

The validation is the same defensive story as the float version: a zero step is rejected, a positive step needs start less than stop, a negative step needs the reverse. The point is you can't accidentally construct a range that never terminates and queue forever.

The inputs that matter

• initialization, condition, update - the whole node. Set start, stop, step, go.

Installing it

No model downloads, no heavy dependencies - this pack just needs a recent ComfyUI frontend. ComfyUI Manager → "Install via Git URL" → paste https://github.com/wakaura-asaho/comfyui-dynamic-selector → restart. Or:

cd ComfyUI/custom_nodes
git clone https://github.com/wakaura-asaho/comfyui-dynamic-selector
# restart ComfyUI

Gotchas

Remember the stop is exclusive - if you want to iterate 0 through 10 inclusive, set condition to 11. And think before you widen the step-to-range ratio; a huge range with step 1 is a big batch, and ComfyUI will dutifully run all of it. The pack is new, experimental, and written for the new V3 node API (frontend >= 1.37.11, base >= 0.12.3), so if the node doesn't appear after install, update ComfyUI first. If you only need a handful of specific integers rather than a contiguous range, this isn't the tool - a StringIterator fed a short list is lighter, or just enumerate them by hand.