Hello Vaughan,
Not sure to understand your need: would tags help in that case?
JM
> Le 25 févr. 2016 à 00:48, Vaughan McAlley <vaug...@mcalley.net.au> a écrit :
>
> Greetings,
>
> I’d like to be able to specify at the top of my main score which
> movements are printed. I can store a \bookpart in a variable, but I
> can’t seem to return it from a scheme expression. Is there a bookpart
> equivalent to define-music-function that I haven’t found?
>
> Vaughan
>
>
> %%%%%%%%%%%%%%%%%%
> \version "2.18.2"
>
> compileTheseMovements = "2" % change to "12" to compile both movements
>
> EmptyBookpart = \bookpart {}
>
> FirstMovement = \bookpart {
> \tocItem "First Movement"
> \header {
> title = "Multi-movement piece"
> composer = "LvB"
> subtitle = "First Movement"
> }
>
> \score {
> { \time 2/4 r8 g' [ g' g'] es'2 }
> \layout {}
> \midi {}
> }
>
> }
>
> SecondMovement = \bookpart {
> \tocItem "Second Movement"
> \header {
> title = ##f
> subtitle = "Second Movement"
> }
> \score {
> { \time 3/8 \partial 8 es16. as32 c'8 c'16. bes32 as16. c'32 f4 }
> \layout {}
> \midi {}
> }
> }
>
> \book {
> #(if
> (string-contains compileTheseMovements "1")
> FirstMovement
> EmptyBookpart)
>
> #(if
> (string-contains compileTheseMovements "2")
> SecondMovement
> EmptyBookpart)
>
> %{
> % This works fine
> \FirstMovement
> \SecondMovement
> %}
>
> } % \book
> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
>
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