Re: Scheme expressions on lilypond command line (-e)

[Aaron Hill]

On 2020-10-19 7:51 pm, Dave Seidel wrote:
> More succinct:
>
> #(begin
>   (use-modules (guile-user))
>
>   (if (not(defined? 'part))
>     (define partName "")
>     (define partName (string-append "S" (number->string part)))
>   )
> )

%%%%
partName =
#(or (false-if-exception (format #f "S~d" (@ (guile-user) part)))
     ""))
%%%%


> > Interesting. I don't understand the '@' syntax -- been trying to look 
> > it
> > up but so far to no avail.

https://www.gnu.org/software/guile/docs/docs-1.8/guile-ref/Using-Guile-Modules.html#Using-Guile-Modules


-- Aaron Hill