Hello,
I am sorry, I am novice in this maillist and in Lua(TeX) too. I dont know if my problem isn't off topic.
My inquiry is here: Is it make possible with variables in Lua(TeX) do for similar "hara-kiri" like in Perl or PHP by this example?:

$a="b";
$$a="456";
print $b; # result 456

$varname="counter";
$varindex=1;
${"$varname$varindex"}=123;
print $counter1; # result 123

Is any alternative of this examples in Lua what should be  using in LuaTex??

thanks  Jaroslav Hajtmar