Re: Strings as Variables

[Jilani Khaldi <jilanik@...>]

Luiz Henrique de Figueiredo wrote:
> 
> >How is it possible to check/use/access the value of a variable if the
> >variablename is hold in a stringvariable?
> 
> As others have pointed out, use getglobal.
> But check out gsub in the manual. Here is a variant of the examples given there:
> 
>  Lang = "Lua"
>  Version = "4.0"
>  print(gsub("This is $Lang version $Version","%$(%w+)",getglobal),"\n")
> 
> See test/examples/www for a use of this idea to create web pages based on
> templates.
> 
> See also http://lua-users.org/wiki/HereDoc for a similar discussion.
> 
> >also possible with concatenation on the fly:
> 
> Again, getglobal as in getglobal("Ver".."sion")
> --lhf

--
Jilani Khaldi
http://space.tin.it/scuola/jkhaldi