Hi all, what would be an elegant way to make out the current interpreter from inside lua?
For now I'm branching things at the top of the script like this:
···8<··········································································
if arg[-1] == "texlua" then
utf=unicode.utf8
else
require "lpeg"
utf=string
end
···8<··········································································
because I have neither slnunicode nor a built-in lpeg on my system's lua
installation. The problem is that luatex has arg[-1] == nil but arg[0]
== "luatex", and context sets all args to nil, so my crude way of
determining the interpreter by cl args fails with both.
I tried something like "local string = utf or string" as well, but this works
only in context which has utf==unicode.utf8 or something.
Thanks for your help
Philipp
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