On Tue, 23 Mar 2021, Jairo A. del Rio wrote:

> Hi, list. I read about this:
>
> https://www.mail-archive.com/ntg-context@ntg.nl/msg60217.html
>
> But I want to know how to pass data to the .tuc file directly from Lua. I
> think about some complex strings are calculations which are done in each
> pass and slow down the whole compilation process. Something like:
>
> local function factorial(n)
> if in_tuc then -- whatever in_tuc means
>    return factorials[n]
> else
>    ...
>    factorials[n] = ...
>    return ...
> end
> end
>
> Is that feasible? Should I use the CLD versions of the TeX macros instead?

Does this help:

https://wiki.contextgarden.net/System_Macros/Key_Value_Assignments#Multi-pass_data

Aditya
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