Be keen to have a look, ended up setting up devicetree overlay entries for my other sensors (dht, si7021, bmp280) which then means I can just CAT(read) a file for latest results.
That Readme sent me down a dark wonderful path to the murky world of devicetree overlays, and I loved it
in case anyone wants to start device tree overlays
Mine has these additions (the DHT22 are listed as 11s):