Can you 'require' ruby file in irb session, automatically, on every command?

Question

I am currently editing a file, and I\'m using irb to test the api:

> require \'./file.rb\'
> o = Object.new
> o.method

I then want

Answer 1

What about require_dependency from ActiveSupport library?

require 'active_support/dependencies' #load it at the beginning
require_dependency 'myscript.rb'

Then require_dependency should track the changes in myscript file and reload it.