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Re: Check if a font is currently installed

From: David Wright
Subject: Re: Check if a font is currently installed
Date: Sun, 21 Nov 2021 11:37:01 -0600
User-agent: Mutt/1.10.1 (2018-07-13)

On Sun 21 Nov 2021 at 17:29:37 (+0100), Paolo Prete wrote:
> it would be useful to have a functions that checks if a font with a
> specific font-name is currently installed, so to have the produced score
> without visual errors that are not always easy to detect.

Would the list produced by this snippet help? I can't help you
parse the output as I'm not a scheme programmer.

> I searched a bit in the list of the scheme helper functions, and could find
> only:
> ly:font-config-get-font-file font-name
> However, in case the file is not found, it defaults to some font that (I
> suppose) is OS dependent, then I don't know  how to check if the searched
> font is really installed. Any idea about this?


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