Patrick Schmidt <p.l.schm...@gmx.de> writes:
> Hi all,
>
> I have several files with definitions of guitar fret diagrams for
> various chord shapes (e.g. c-shape.ly, a-shape.ly, g-shape.ly, e-
> shape.ly and d-shape.ly). I can't include all of these files at the
> same time in the main file as quite a few chord alternatives start on
> the same pitch. How can I use those definitions only temporarily? I
> tried this:
>
> cShape = { \include "c-shape.ly" }
> aShape = { \include "a-shape.ly" }
>
> music = \chordmode {
> \cShape
> c1
> \aShape
> c1
> }
Maybe something like
stdfretboard = #(copy-list fretboard-table)
\include "c-shape.ly"
cshapefretboard = #(copy-list fretboard-table)
#(set! fretboard-table stdfretboard)
\include "a-shape.ly"
ashapefretboard = #(copy-list fretboard-table)
cShape = #(define-music-function ... (set! fretboard-table
cshapefretboard)
aShape = #(define-music-funciton ...
or similar. If c-shape/a-shape just add items to the front of
fretboard-table, you will not even need to copy stuff. If it is
something other than a list, you'll need some other copying mechanism.
I have not checked in detail.
--
David Kastrup
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