Re: linked variable

["wang xu" <xu4wang@...>]

Jim,

Thanks! It works.

I also tried to change the value:
> =loadstring("return "..path_to_n2)()
hello
> =loadstring(path_to_n2.."='world'")()
> =n1.n2
world
>

However, I'm not feeling comfortable with it..

To make it looks a little bit nicer..Maybe I need to wrap lua_getglobal/lua_setglobal in C, and then I can use:

getglobal(path_to_n2)
setglobal(path_to_n2, "a new value for 
n1.n2")

Or, is it meaningful for Lua to add a dynamic resolving operator?

2006/12/2, Jim Whitehead II <jnwhiteh@gmail.com>:

You can use loadstring, i.e.

Lua 5.1.1  Copyright (C) 1994-2006 Lua.org, PUC-Rio
> t = {a = true}
> =loadstring("return t.a")()
true
>

In your case something like this should work:

loadstring("return " .. path_to_n2)()

On 12/1/06, wang xu <xu4wang@gmail.com> wrote:

Hello,

If I have a string containing the path to a varialble, for example:

> n1={n2="hello"}
> =n1.n2
hello
> path_to_n2="n1.n2"
> print(path_to_n2)
n1.n2
>

Given variable path_to_n2, how can I get the value of n1.n2 ?