gistfile1.lua

function fgettext(text, ...)
        text = engine.gettext(text)
        if arg.n >= 1 then
                -- Insert positional parameters ($1, $2, ...)
                result = ''
                pos = 1
                while pos <= text:len() do
                        newpos = text:find('[$]', pos)
                        if newpos == nil then
                                result = result .. text:sub(pos)
                                pos = text:len() + 1
                        else
                                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