Hello Dimitris, Basically you need to turn the output into a form markup takes, that is either a markup or a string. In your case the return would be a number, so you’d want to call \markup #(number->string (dostuff x))
Cheers,
Valentin
Am Dienstag, 23. November 2021, 23:56:51 CET schrieb Dimitris Marinakis:
> Finally got to learn a bit of Scheme. I've made decent progress within the
> Scheme sandbox. Now I'm trying to integrate a few things within Lilypond.
>
> Let's say I have this function:
> #(define (dostuff x) (+ x 5))
>
> What would be the equivalent of #(display (dostuff 2)) but inside a
> Lilypond markup?
> So that if my Lilypond music code looks like that, I'll get the correct
> value from that function.
> {
> c^\markuptitle (placeholder) #2
> }
>
> I don't want the x argument to be displayed in the markup but rather the
> result of the function.
>
> It's OK if this has to be broken into multiple steps.
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