Introduction
How to generate a random number in Ruby.
Remarks
Alias of Random::DEFAULT.rand. This uses a pseudo-random number generator which approximates true randomness
6 Sided die
# Roll a 6 sided die, rand(6) returns a number from 0 to 5 inclusive
dice_roll_result = 1 + rand(6)
Generate a random number from a range (inclusive)
# ruby 1.92
lower_limit = 1
upper_limit = 6
Random.new.rand(lower_limit..upper_limit) # Change your range operator to suit your needs
