Hi Harm,
Am 26.07.2016 um 20:58 schrieb Thomas Morley: > 2016-07-26 20:03 GMT+02:00 Urs Liska <[email protected]>: >> Hi all, >> >> one more of my recent confusing ideas: I would like to generate a number of >> \bookpart-s in a Scheme function. The reason is that I have to loop over a >> number of works and create scores for them that are in a bookpart each. >> >> Attached is something that resembles the structure I have in my actual >> files. >> >> I successfully factored out the bookpart to an includable file. With this I >> can produce multiple scores. However, it would be better to have that >> factored out to a function because I have to set some values to select which >> score to create, and this would be more natural to do as function arguments >> rather than setting global variables and reading that from the code that >> generates the scores. >> >> As the files are they compile finely, but when I uncomment the \makeBookpart >> call I get >> >> /home/uliska/Aktuell/lily/bookpart-in-scheme-function/main.ly:23:9: error: >> bad expression type >> >> \makeBookpart >> >> /home/uliska/Aktuell/lily/bookpart-in-scheme-function/main.ly:14:2: error: >> error in #{ ... #} >> >> # (let* errors. Any suggestions how I can make the outer construct handle a >> bookpart returned from a function? Thanks Urs > > Not sure I understood what your aiming, but maybe: > > \version "2.19.45" > makeBookpart = > #(define-void-function (book)(ly:book?) > (ly:book-add-bookpart! > book > #{ \bookpart { \score { \new Staff { d' } } } #})) > > #(let* ((book > #{ > \book { > \bookpart { \markup "This will be a title page" } > \include "bookpart.ily" > \include "bookpart.ily" > } > #})) > #{ \makeBookpart #book #} > (ly:book-process > book > #{ \paper {} #} ; non-functional, placeholder > #{ \layout {} #} ; non-functional, placeholder > (ly:parser-output-name))) > > HTH, > Harm Yes, at least in the MWE your proposal does exactly what I need. And I think I will be able to incorporate it perfectly in my original context. Thanks a lot Urs _______________________________________________ lilypond-user mailing list [email protected] https://lists.gnu.org/mailman/listinfo/lilypond-user
