How to suppress the output of return value in IRB/Rails Console?

Question

An example is if I go into IRB and do the following:

jruby-1.6.7 :026 > puts [1,2,3,4,5]
1
2
3
4
5
=> nil 

Is there anyway to suppres

Answer 1

From @Tallboy dead link

To suppress the return value in Rails console, enter
conf.return_format = ""

Default (Print the return value)
conf.return_format = "=> %s\n"