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Re: try except in lilypond


From: Urs Liska
Subject: Re: try except in lilypond
Date: Sun, 20 Nov 2016 17:56:32 +0100
User-agent: K-9 Mail for Android


Am 20. November 2016 16:44:07 MEZ, schrieb Noeck <address@hidden>:
>Hi
>
>Am 20.11.2016 um 01:00 schrieb Urs Liska:
>> However, I'm not sure how you can determine if a font is installed on
>> your system.
>
>That's exactly the point where I was thinking about try except.
>

That won't help because fontconfig will always give you *something* back so 
there will be no exception.

I think I can give you some more pointers for the include stuff but not from 
the mobile so maybe later tonight.

Urs

>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
>
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