Re: try except in lilypond

[Timothy Lanfear]

On 20/11/16 15:44, Noeck wrote:
> Hi
>
> I tried this now as a top level scheme construct,
>
> #(if (file-exists? "somepath.ily") (#{
>           \include "somepath.ily"
>  #}))
>
> But lilypond does not like it. Do I need a scheme function (even without
> arguments)? Is including inside scheme possible?
>
> I fear that any solution is probably more complex than just writing:
>
> % For a stand alone version remove these lines ...
> ...
> % ... until here.
>
> and leave it to the user to care about it.
>
> Thanks also for the suggestion of processing scripts around, but that's
> not the question. I have them. I just wanted the score to be compilable
> without.
>
> Cheers,
> Joram

How about something like this?


(if (access? "somepath.ily" R_OK)
   (ly:parser-include-string "\\include \"somepath.ily\""))

Tim Lanfear