gistfile1.lua

function fgettext(text, ...)
	local arg = {n=select('#',...),...}
	local text = engine.gettext(text)
	if arg.n >= 1 then
		-- Insert positional parameters ($1, $2, ...)
		local result = ''
		local pos = 1
		while pos <= text:len() do
			local newpos = text:find('[$]', pos)
			if newpos == nil then
				result = result .. text:sub(pos)
				pos = text:len() + 1
			else
				local paramindex = tonumber(text:sub(newpos+1, newpos+1))
				result = result .. text:sub(pos, newpos-1) .. tostring(arg[paramindex])
				pos = newpos + 2
			end
		end
		text = result
	end
	return engine.formspec_escape(text)
end