Marc Hohl <m...@hohlart.de> writes:
> optional-slurs.ly
> ==================
>
> \version "2.15.23"
>
> #(ly:add-option 'no-slurs #f
> "Whether to print a slur or not.")
>
> slurSwitch = #(define-music-function (parser location) ()
> (if (eq? #t (ly:get-option 'no-slurs))
> #{ \override Slur #'transparent = ##t #}
> #{#}))
>
> test = {
> \slurSwitch
> c2 ( d )
> }
>
> \score { \test }
>
> ==================
>
> If I call it with
>
>> lilypond optional-slurs.ly
>
> everything is fine; when I use
>
>> lilypind -d no-slurs optional-slurs.ly
>
> I get a warning that option 'no-slurs is
> undefined, and the slurs are still visible.
I'd expect command line options to be processsed *before* the argument
files, so you cannot define a new command line option *in* an argument
file.
Try defining the command line option in a setup file.
-- Johan
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