I’m trying to write a script which will determine actions based on the architecture of the machine. I already use uname -m to gather the architecture line, however I do not know how many ARM architectures there are, nor do I know whether one is armhf, armel, or arm64….

Source: https://unix.stackexchange.com/questions/180726/easy-command-line-method-to-determine-specific-arm-architecture-string