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From: | Jeff Olson |
Subject: | Re: trouble putting \book block in a scheme function |
Date: | Wed, 5 Apr 2023 14:50:39 -0600 |
User-agent: | Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.9.1 |
Thanks, Jean! I never would have guessed. I'll give it a try.Le mercredi 05 avril 2023 à 14:30 -0600, Jeff Olson a écrit :
The conclusion of [1], on how to put nicely cropped png or svg images
into individual files with specified file names, was to wrap each score
in a \book block with an individual \bookOutputName, as shown in that
message.Since I have 1000+ such scores, each conveniently created by a scheme
function, it should be easy to just add the book wrapper inside that
function. The first step was beginning like this MWE:\version "2.24.1"
scr =
#(define-scheme-function (mus) (ly:music?)
#{
%\book {
\score { #mus }
%}
#} )
\scr { c'' }But un-commenting the two lines above generates "error: bad _expression_
type".Adding -lDEBUG didn't explain more. Does that error mean \book is
forbidden here?How can I include a \book wrapper (and \bookOutputName) in my score
function?Yeah... there are known syntax quirks in that area. This works though:
\version "2.24.1" scr = #(define-void-function (mus) (ly:music?) (print-book-with-defaults #{ \book { \score { #mus } } #})) \scr { c'' }
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