Stjepan Horvat <zvanste...@gmail.com> writes:
> Hi guys..
> I would want to make a simple function that would convert my string to
> number..wha?
>
> i have a a variable inside header that is called bpm. inside bpm is my
> tempo but in string.
Why?
> for example:
>
> \header {
> bpm = "123"
> }
>
> {
> \tempo 4 = \bpm
> c'4
> }
>
> or in midi block
>
> \midi { \tempo 4 = \bpm }
>
> i had an idea of converting string to number using string->number..
> #(define bpm "123")
> #(define bpmInt (string->number bpm)
Missing closing paren, it would seem.
> but it didnt work nor
>
> bpmInt =
> #(define-music-function
> (parser location bpm
> (string?)
> (string->number bpm)))
The body of define-music-function needs to return music, so you probably
would want define-scheme-function instead.
> any ideas.?
I have no idea why you don't just write
bpm = 123
and that's that. Why go through a string in the first place?
--
David Kastrup
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