Hi Federico,
2015-10-10 20:36 GMT+02:00 Federico Bruni <[email protected]>:
...
> Instead of "polluting" the lilypond sources with \tag(s), I'd rather set a
> custom field (level) in the \header block and write a script which parses
> the header and process the files accordingly.
>
...
I don't know if it's feasible but how about creating a 'labels' which would
be equivalent to the 'header' without the printing, just a simple data base
:
"my-library.ly" :
...
scarlatti-sonate-KOne-guitar = {
\score {
\new Staff <<
\key d \minor
\clef "G_8"
\new Voice {
\voiceOne
| % mes. 1
d'16 e' f' g' a' a cis' a d'4. e'8
| % mes. 2
f'16 d' g' e' a' f' e' d' cis'8 a' a'4\trill
}
\new Voice {
\voiceTwo
| % mes. 1
e2\rest d16 e f g a a, cis a,
| % mes. 2
d8 e f g a a a a
}
>>
\header {
piece = "Sonate K 1"
}
\labels {
title = "sonate"
composer = "scarlatti"
opus = #1
arranger = "taylor"
instrument = "guitar"
key = "d min"
area = "baroque"
genre = "sonate"
level = #3
}
}
}
...
Then, if I want to create a book including selected pieces within
"my-library", here's my request :
%% Selected pieces
\include "my-library.ly"
\book {
\header {
title = "Sonatas"
composer = "Domenico Scarlatti (1685-1757)"
arranger = "Peter Taylor"
opus = "K 1"
}
\labels {
composer = "scarlatti"
genre = "sonate"
opus = #'(0 - 1000) %% 0 to 1000, in order to cover all sonatas without
remembering the right ones
instrument "guitar"
level = #'(3 - 5) %% 3 to 5
}
}
where 'labels' would select the pieces accordingly.
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