RE: Table element addressing syntax

["Peter Prade" <prade@...>]

untested code:

function GetElement(table, field)
	local pos = strfind(field,".")
	if pos then 
		return GetElement(table[strsub(field,1,pos-1)], strsub(field,pos+1)) 
	end
	return table[field]
end

Cheers,
Peter
> -----Original Message-----
> From: owner-lua-l@tecgraf.puc-rio.br
> [mailto:owner-lua-l@tecgraf.puc-rio.br]On Behalf Of Curt Carpenter
> Sent: Tuesday, November 27, 2001 8:27 AM
> To: Multiple recipients of list
> Subject: Table element addressing syntax
> 
> 
> Is there any way to reference a nested element of a table given a string
> reference to it? That is, given some simple data like this:
> 
> foo = {a=1, b=2, c={d=3}}
> 
> Could you have a function like this (I know this function doesn't work):
> function GetElement(table, field)
> 	return table[field]
> end
> such that with the above data GetElement(foo, "c.d") returns 3?
> 
> Thanks,
> 
> Curt