Get two nibbles from a byte in Ruby [closed]

Question

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.

Closed 8 years ago.

What's the easiest way to get two nibbles (as Integers) from a byte in Ruby?

Answer 1

If the "byte" is a number between 0 and 255:

n1, n2 = (byte & 0xf0) >> 4, byte & 0x0f