Run last line when enter is pressed in pry

o.rb

[12] pry(main)> Pry.commands.block_command /^$/, "blah" do
              |   run "history --replay -1"
              | end  
=> #<class(Pry::Command /^$/)>
[13] pry(main)> 3
=> 3
[14] pry(main)> 
=> 3
[16] pry(main)> ls
self.methods: include  private  public  to_s
locals: _  __  _dir_  _ex_  _file_  _in_  _out_  _pry_  _super
[17] pry(main)> 
self.methods: include  private  public  to_s
locals: _  __  _dir_  _ex_  _file_  _in_  _out_  _pry_  _super
[19] pry(main)> $ pry

From: /Users/johnmair/.rvm/gems/ruby-1.9.3-p286/gems/pry-0.9.10/lib/pry/core_extensions.rb @ line 41:
Number of lines: 7
Owner: Object
Visibility: public

def pry(object=nil, hash={})
  if object.nil? || Hash === object
    Pry.start(self, object || {})
  else
    Pry.start(object, hash)
  end
end
[20] pry(main)> 

From: /Users/johnmair/.rvm/gems/ruby-1.9.3-p286/gems/pry-0.9.10/lib/pry/core_extensions.rb @ line 41:
Number of lines: 7
Owner: Object
Visibility: public

def pry(object=nil, hash={})
  if object.nil? || Hash === object
    Pry.start(self, object || {})
  else
    Pry.start(object, hash)
  end
end
[22] pry(main)> 

From: /Users/johnmair/.rvm/gems/ruby-1.9.3-p286/gems/pry-0.9.10/lib/pry/core_extensions.rb @ line 41:
Number of lines: 7
Owner: Object
Visibility: public

def pry(object=nil, hash={})
  if object.nil? || Hash === object
    Pry.start(self, object || {})
  else
    Pry.start(object, hash)
  end
end
[24] pry(main)> def hello
              |   puts "hi"
              |   
              |   show-input
1: def hello
2:   puts "hi"
3:   puts "hi"
              | end  
=> nil
[25] pry(main)> hello
hi
hi
=> nil
[26] pry(main)> 
hi
hi
=> nil
[28] pry(main)>