[luatex] loading the font database -- luaotfload

[Philipp Gesang]

Hi Herbert!

···<date: 2014-06-04, Wednesday>···<from: Herbert Voss>···

> One year ago it was
> 
> local myfonts = dofile(fonts.names.path.localdir.."/otfl-names.lua")
> 
> then it changes to
> 
> local myfonts = dofile(fonts.names.path.path)
> 
> But this is now also invalid. What is the correct way to load the
> font database located in
> $TEXMFVAR/luatex-cache/generic/names/luaotfload-names.lua ??

1. The function load() in the namespace fonts.names is how it’s
   done internally, e.g.:
   https://bitbucket.org/phg/lua-la-tex-tests/src/tip/pln-access-db.tex

   Note that this reads the names database from at the default
   location, you can’t pass it a path or something like that.

2. The file luaotfload-names.lua is compressed by default [0] and
   will only be read if luaotfload-names.luc (the bytecode dump)
   is missing.

Best,
Philipp

[0] Unless of course you pass ``--no-compress`` to
    luaotfload-tool when updating.


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