If @rlkoshak or @vzorglub are floating around, could you quickly advise how I could get this working as a number? I’ve read the forum from top to bottom and I’ve gone code blind 
My above “solution” was primarily made up of advise offered by @vzorglub (here) and (here).
My CPUTemperature.txt simply consists of one line, with a 2 char “number” (56, as an example). No decimals etc…