Re: Can a \bookpart be a variable?

[Jean Abou Samra]

Le 23/09/2022 à 08:17, Brent Annable a écrit :
> Hi all,
>
> I've been typesetting a bunch of hymns for inclusion in a larger 
> publication, and I now have about 100 separate Lilypond files that I 
> need to collate into a single master file. It seems easiest to me to 
> turn each individual file into a \bookpart, set the bookpart as a 
> variable, then \include the file name in a separate master file and 
> call on the variable there.
>
> But when I do that and try to compile the master, I just get a bunch 
> of error messages in the original file (I'm using Frescobaldi, and all 
> of the variables in the original file are highlighted in red). My 
> question is: is this possible? Should it work if I turn the \bookpart 
> into a variable and call on it elsewhere, and am I just making a silly 
> programming error? Or should I try another method?
>
> If it should be possible, I'm happy to share some files to illustrate.



It can be done, the syntax is just slightly strange:

\version "2.22.2"

mybookpart = \bookpart { { c' } }

\book {
  % Not
  % \mybookpart
  % but
  \bookpart { \mybookpart }
}

Best,
Jean