Dear Neil,
thanks for Your proposal.
I've tried Your code, but unfortunately Your code connects always two notes
under one slur, no matter which number I've choosen for x.
2011/9/17 Neil Puttock <n.putt...@gmail.com>
> On 17 September 2011 14:23, Stefan Thomas
> <kontrapunktste...@googlemail.com> wrote:
> > Dear community,
> > I would like to define a variable with sheme and I want to substract the
> > number one from this variable.
> > I tried it with:
> >
> >> % the following defines a Slur, lasting a certain number of eigth-notes
> >> xaS = #(define-music-function (parser location x) (number?)
> >> #{ % in der folgenden Zeile Lilypondcode eingeben
> >> s1*0 ( \repeat unfold #(- $x 1) {s8 } s8)
> >> #})
> >
> > Unfortunately without succes!
>
> This doesn't work since the unfold count argument isn't a scheme
> number. I suggest resetting 'repeat-count inside scheme instead:
>
> \version "2.15.11"
>
> xaS =
> #(define-music-function (parser location x) (number?)
> (let ((repeat-music #{ \repeat unfold 1 s8 #}))
> (set! (ly:music-property repeat-music 'repeat-count)
> (1- x))
> (make-sequential-music
> (list #{ s1*0( #} repeat-music #{ s8) #}))))
>
> \new Voice \relative c' {
> << { c8 d e f } \xaS #4 >>
> }
>
> Cheers,
> Neil
>
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