Re: Problems with using \bookpart

[Timothy Lanfear]

How about this?

\version "2.19.48"

\language "english"

printScore  = ##t
printMvtOne = ##t
printMvtTwo = ##t

#(if
  (and printScore
   (or printMvtOne printMvtTwo))
     (ly:parser-include-string "\\include \"testprint.ily\""))


On 20/12/16 21:57, David Sumbler wrote:
> I am still experimenting with constructing a file structure which makes
> sense to me for more complex works.  I have come quite a long way with
> it and discovered some interesting things.
>
> But \bookpart seems to cause problems.
>
> The following works:
>
> File: test.ly
> %%%%%
> \version "2.19.48"
>
> \language "english"
>
> printScore  = ##t
> printMvtOne = ##t
> printMvtTwo = ##t
>
> $(if
>    (and printScore
>     (or printMvtOne printMvtTwo))
>    #{ \include "testprint.ily" #} )
> %%%%%
>
> File: testprint.ily
> %%%%%
> \version "2.19.48"
>
> \book {
>    \score { c }
> }
> %%%%%
>
> Modify the second file thus:
>
> File: testprint.ily
> %%%%%
> \version "2.19.48"
>
> \book {
>    \bookpart {
>      \score { c }
>    }
> }
> %%%%%
>
> This no longer works, but gives the following error messages:
>
> Parsing.../usr/local/lilypond/usr/share/lilypond/current/scm/lily-library.scm:243:5:
>  In procedure ly:book-process in expression (process-procedure book paper ...):
> /usr/local/lilypond/usr/share/lilypond/current/scm/lily-library.scm:243:5: Wrong type 
> (expecting real number): #<undefined>
>
> Once again I am finding that the use of \bookpart is giving problems.  I don't 
> know if this is once again somehow connected with the fact that bookparts have 
> no variable scope, but it's a damn nuisance anyway!
>
> Any suggestions?
>
> David
>
>
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--
Timothy Lanfear, Bristol, UK.