Module:Sandbox/Galobtter/Short description from country

Documentation for this module may be created at Module:Sandbox/Galobtter/Short description from country/doc

--given a pattern input like "country%d", if there is only one of it (excluding youth teams of the same country etc), give "nationality profession", e.g "German association football player"

--data = mw.loaddata("Module:Short description from country/data")
local p = {}

function p.main (frame)
	if args.disable == 'yes' then
		return
	end
	local getArgs = require('Module:Arguments')
	local args = getArgs(frame, 'frameOnly')
	local parentArgs = getArgs(frame, 'parentOnly')
	local name = args[1]
	local vals = {}
	local nationatString
	for m, n in pairs (parentArgs) do
		if string.find(m, "^"+name+"$") then
			n:gsub(" U%d$", "") --strip U23 etc
			if nationString then
				if n ~= nationString then
					return
				end
			else
				nationString = n
			end
		end
	end
	return nationString..args[2] --data[nationString]
end
return p