Neil Puttock <[email protected]> writes:
> On 17 September 2011 14:23, Stefan Thomas
> <[email protected]> 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.
In which case
xaS = #(define-music-function (parser location x) (number?)
#{ % in der folgenden Zeile Lilypondcode eingeben
s1*0 ( \repeat unfold $(- x 1) {s8 } s8)
#})
should work just fine. The slur has no noteheads to attach itself to,
though.
--
David Kastrup
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