On Fri, Jul 28, 2017 at 07:22:16AM -0400, Robert P. J. Day wrote: > OK, this exercise should be a bit trickier -- given a character MAC > address, how can I break it into individual hex chars for writing to > EEPROM? So the script takes the argument, say, "A0:B1:C2:D3:E4:F5", > and I need to, one nibble at a time, get the value 0x0A, 0x0, 0x0B, 0x01 > and so on. So would you like the bytes 0x0A, 0x00, etc., or the string "0x0A 0x00…"? Cheers, Alex Pilon