Inicie o Interactive Ruby Shell e, em seguida, execute o comando:
irb
irb(main):001:0> require 'ffaker'
=> true
exit
Existe um exemplo do repositório git :
irb
irb(main):001:0> require 'ffaker'
=> true
irb(main):002:0> FFaker::Name.name
=> "Danyelle Langosh"
irb(main):003:0> FFaker::Internet.email
=> "[email protected]"
irb(main):004:0>