On 29 December 2017 at 11:26, Timothy Lanfear <timo...@lanfear.me> wrote:
> On 29/12/17 07:03, Gianmaria Lari wrote:
>
>> Sorry to bother but I'm unable to get out from this problem.
>> This code generate two scores:
>>
>> \version "2.19.80"
>>
>> \score {
>> \transpose c d {c' d' e'}
>> \layout{}
>> }
>>
>> \score {
>> \transpose c e {c' d' e'}
>> \layout{}
>> }
>>
>> I tried to write a scheme function doing something similar:
>>
>> \version "2.19.80"
>> myScore = #(define-scheme-function (music) (ly:music?) #{
>>
>> \score {
>> \transpose c d $music
>> \layout{}
>> }
>>
>> \score {
>> \transpose c e $music
>> \layout{}
>> }
>>
>> #})
>>
>> \myScore {c' d' e'}
>>
>> but when I try to compile I get this error
>>
>>
>> error: syntax error, unexpected \score, expecting end of input
>>
>> \score {
>>
>>
>> error: error in #{ ... #}
>>
>>
>> Any suggestion?
>> Thank you, Gianmaria
>>
>>
> A function can only return a single item so you could wrap the two scores
> in a book and then process the book.
>
> \version "2.19.80"
>
> myBook = #(define-scheme-function (music) (ly:music?) #{
> \book {
> \score { \transpose c d $music \layout{} }
> \score { \transpose c e $music \layout{} }
> }
> #})
>
> mybook = #(myBook #{ { c' d' e' } #})
> \mybook
>
>
>
>
>
> --
> Timothy Lanfear, Bristol, UK.
>
>
> _______________________________________________
> lilypond-user mailing list
> lilypond-user@gnu.org
> https://lists.gnu.org/mailman/listinfo/lilypond-user
>
oh, great! It was some weeks I was stuck with this issue. I thought the
scheme function would simply copy everything inside the #{ ... #} replacing
the variable.
Thanks a lot Timothy!
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