Re: output some string

[Simon Albrecht]

On 15.06.2018 18:40, Gianmaria Lari wrote:
> I'm trying to write some code in scheme. At the moment I do it using 
> frescobaldi and I need some help for the output.
> The following code
>
>     \version "2.19.81"
>     #(define (f w) w)
>     $(f "Hello")
>
>
> generates a pdf file containing "Hello".
>
> If my function f is called passing something that is not a string like 
> in the following code
>
>     \version "2.19.81"
>     #(define (f w) w)
>     $(f '(a b c))
>
>
> it doesn't work.

To LilyPond, this is the same as if you’d have written
#'(a b c)
so there’s neither markup nor music in this that could be printed.

> How can I convert my data to a string?

It’s not clear what you want to do. What kind of data do you want to 
convert into a string, and for what purpose?
You could just write
$(f "'(a b c)")
of course, but I imagine that’s not what you’re after.

Best, Simon