Re: ly:pitch and string

[Simon Albrecht]

Hello David,

thanks, that’s exactly the kind of brief and elegant solution I was 
hoping for.

Yours,
Simon

Am 11.10.2014 um 16:52 schrieb David Kastrup:
> Simon Albrecht <address@hidden> writes:
>
> > Hello,
> >
> > consider the following setup:
> > %%%%%%%%%%%%%%
> > \version "2.19.12"
> >
> > newTonic = d
> >
> > newTonicString = "d"
> >
> > \bookOutputSuffix #(string-append "in-" newTonicString)
> >
> > \score { \transpose c \newTonic { c' } }
> >
> > %%%%%%%%%%%%%%
> >
> > For easy handling of different transpositions the ‘destination pitch’
> > is stored in a variable. It is of type ly:pitch?.
> > At the same time, I want to flag the output file with the key to which
> > the music has been transposed, and for this I need the destination
> > pitch notename as a string.
> > I’d like to avoid having to synchronise newTonic and newTonicString
> > manually, but I’ve been unable to find a convenient way to convert one
> > into the other. Can anybody help?
> (use-modules (scm display-lily))
> newTonicString = #(value->lily-string newTonic parser)
>
> Note that the conversion requires the availability of "parser" since it
> depends on the current value of the note name language.