README.md

What is the problem?

How to execute file in irb/pry session and use its local variables.

https://www.reddit.com/r/ruby/comments/43nlxh/how_do_you_read_commands_from_file_in_a_pry/

IRB

$ irb
irb(main):001:0> foo
NameError: undefined local variable or method `foo' for main:Object
	from (irb):1
	from /Users/radarek/.rbenv/versions/2.3.0/bin/irb:11:in `<main>'
irb(main):002:0> IRB.conf[:MAIN_CONTEXT].workspace.binding.eval File.read("./foo.rb")
=> nil
irb(main):003:0> foo
=> "local variable from foo.rb file"

Pry

$ pry
[1] pry(main)> foo
NameError: undefined local variable or method `foo' for main:Object
from (pry):1:in `__pry__'
[2] pry(main)> Pry.toplevel_binding.eval File.read("./foo.rb")
=> nil
[3] pry(main)> foo
=> "local variable from foo.rb file"

foo.rb

foo = "local variable from foo.rb file"
nil