Re: Controlling compilation

[Urs Liska]

Hi David,

I'm sure this could be made work, with some more complex Scheme code.
But If I'm understanding you correctly there seems to be a simpler way.

You seem to be ready to *do* some manual changes to your master file
(e.g. defining a variable or not). So you could simply put your
different scores in individual include files and comment in/out these
includes.
If you are creating independent scores (or score/part/whatever) you
should consider including the scores in \bookpart expressions to
guarantee a page break if you compile more than one sub-score in one go.

HTH
Urs


Am 11.04.2016 um 08:32 schrieb David Sumbler:
> When editing a piece with several instruments and several movements,
> there are various outputs I would like, such as a complete full score, a
> full score of a single movement, a complete instrumental part, the
> instrument part of a single movement, and also a midi file of any of
> these items.
>
> I thought perhaps I could control this in my top-level file by having
> the compilation instructions for these possibilities defined in
> variables in an included file, and simply defining variables (or not, if
> there is a way of checking the existence of a variable) in the top level
> file.
>
> As an experiment, I produced this:
>
> File: experimentNotes.ly
>
> \version "2.19.24" 
>
> compileA =
> \score {
>   \new Staff {
>    a' a' a' a'
>   }
>   \layout { }
> }
>
> compileB =
> \score {
>   \new Staff {
>     b' b' b' b'
>   }
>   \layout { }
> }
>
>
>
> File: experiment.ly
>
> \version "2.19.24" 
>
> \include "experimentNotes.ly"
>
> sectionA = ##t
>
>
> #(if sectionA #{ \compileA #} )
>
> \compileB
>
>
>
> When I compile experiment.ly, the "B" section compiles and no errors or
> warnings are produced, but section "A" is ignored.
>
> Can this be modified to make it work?
>
> David
>
>
>
>
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