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Hi
since I subscribed to the Lua ML after the last post about the topic,
I can't reply to the proper thread.
I propose this pattern:

-- for one offs:
	
setenv(1, inject( {"Lurhman"}, Baz ) )



-- otherwise

local scope = {}

inject( {"insert", "remove"}, table, scope )
inject( {"sin", "cos"},       math,  scope )

setenv(scope)


-- Inject:

function inject( properties, var, s )
	local scope = s or {}
	
	for _, v in ipairs( properties ) do
		scope[v] = var[v]
	end
	
	return setmetatable( scope, {__index = _G} )
end

_______________________
Pierre-Yves Gérardy, MD
Headache Research Unit
University of Liege
Citadelle Hospital (University dept. of Neurology),
Boulevard du XIIe de Ligne, 1
B4000 Liège, Belgium
Phone : +32 (0) 4 225 71 41
Mobile : +32 (0) 472 543 727
Fax : +32 (0) 4 223 88 07
Department Secretary : Ms Groven : +32 (0) 4 225 63 91