break_paged_output.ily

@@ -1,2 +0,0 @@
-\include "lilypond-book-preamble.ly"
-#(ly:set-option 'separate-page-formats "pdf")

snippet_include.ly

@@ -4,5 +4,5 @@
 
 \include #(if noDefaultOutput "void.ly" "all_base_includes.ly")
 
-#(define AUTHOR_DATA (if (defined? 'AUTHOR_DATA) AUTHOR_DATA (parse-yml-file "../data/authors.yml")))
-#(define SONG_DATA (if (defined? 'SONG_DATA) SONG_DATA (parse-yml-file "../data/songs.yml")))
+#(define AUTHOR_DATA (if (defined? 'AUTHOR_DATA) AUTHOR_DATA (call-with-input-file "../data/authors.json" json->scm)))
+#(define SONG_DATA (if (defined? 'SONG_DATA) SONG_DATA (call-with-input-file "../data/songs.json" json->scm)))

standalone_output.ly

@@ -18,19 +18,19 @@ TEXT = \markuplist {
   \TEXT
 }
 
-#(if (not noStandaloneOutput)
-(begin
-  (let ((header (ly:book-header HEADER)) (paper (ly:book-paper HEADER)))
-    (if header (set! $defaultheader header))
-    (if paper (set! $defaultpaper paper))
-  )
-  (add-score #{
+% nur Output wenn noStandaloneOutput auf false steht
+output = #(if (not noStandaloneOutput)
+#{
+  \bookpart {
+    \HEADER
+
     \score {
       \MUSIC
       \layout { \LAYOUT }
-    }#})
-  (add-score TEXT)
-  (add-score #{
+    }
+
+    \TEXT
+
     \score {
       \unfoldRepeats { \MUSIC \INLINESCOREMUSIC }
       \midi {
@@ -40,5 +40,15 @@ TEXT = \markuplist {
           tempoWholesPerMinute = #(ly:make-moment midiQuarterNoteSpeed 4)
         }
       }
-    }#})
-))
+    }
+
+
+  }
+#}
+)
+
+% if we don't want a standalone output, cause we compile a book, we just have an empty output here,
+% so lilypond does not generate output for this song
+\book {
+  \bookpart { \output }
+}