refactored example initialization code (still need to update examples for new API)

examples/example_basic.rb

@@ -1,7 +1,4 @@
-direc = File.dirname(__FILE__)
-
-require 'rubygems'
-require "#{direc}/../lib/pry"
+require File.expand_path(File.join(File.dirname(__FILE__), 'helper'))
 
 # define a local.
 a = "a local variable"
@@ -14,4 +11,5 @@ end
 # Start pry session at top-level.
 # The local variable `a` and the `hello` method will
 # be accessible.
+puts __LINE__
 binding.pry

examples/example_command_override.rb

@@ -1,7 +1,4 @@
-direc = File.dirname(__FILE__)
-
-require 'rubygems'
-require "#{direc}/../lib/pry"
+require File.expand_path(File.join(File.dirname(__FILE__), 'helper'))
 
 # Inherit standard command set, but tweak them by importing some and
 # overriding others.

examples/example_commands.rb

@@ -1,7 +1,4 @@
-direc = File.dirname(__FILE__)
-
-require 'rubygems'
-require "#{direc}/../lib/pry"
+require File.expand_path(File.join(File.dirname(__FILE__), 'helper'))
 
 class MathCommands < Pry::CommandBase
   command "greet", "Greet a person, e.g: greet john" do |name|

examples/example_hooks.rb

@@ -1,7 +1,4 @@
-direc = File.dirname(__FILE__)
-
-require 'rubygems'
-require "#{direc}/../lib/pry"
+require File.expand_path(File.join(File.dirname(__FILE__), 'helper'))
 
 my_hooks = {
   :before_session => proc { |out, target| out.puts "Opening #{target.eval('self')}." },

examples/example_image_edit.rb

@@ -10,11 +10,7 @@
 #
 # Have fun! :)
 
-direc = File.dirname(__FILE__)
-
-require 'rubygems'
-require "texplay"
-require "#{direc}/../lib/pry"
+require File.expand_path(File.join(File.dirname(__FILE__), 'helper'))
 
 WIDTH = 640
 HEIGHT = 480

examples/example_input.rb

@@ -1,7 +1,4 @@
-direc = File.dirname(__FILE__)
-
-require 'rubygems'
-require "#{direc}/../lib/pry"
+require File.expand_path(File.join(File.dirname(__FILE__), 'helper'))
 
 # Create a StringIO that contains the input data
 str_input = StringIO.new("puts 'hello world!'\nputs \"I am in \#{self}\"\nexit")

examples/example_input2.rb

@@ -1,7 +1,4 @@
-direc = File.dirname(__FILE__)
-
-require 'rubygems'
-require "#{direc}/../lib/pry"
+require File.expand_path(File.join(File.dirname(__FILE__), 'helper'))
 
 # Create a StringIO that contains the input data for all the Pry objects
 cmds = <<-CMDS

examples/example_output.rb

@@ -1,7 +1,4 @@
-direc = File.dirname(__FILE__)
-
-require 'rubygems'
-require "#{direc}/../lib/pry"
+require File.expand_path(File.join(File.dirname(__FILE__), 'helper'))
 
 # Create a StringIO to contain the output data
 str_output = StringIO.new

examples/example_print.rb

@@ -1,7 +1,4 @@
-direc = File.dirname(__FILE__)
-
-require 'rubygems'
-require "#{direc}/../lib/pry"
+require File.expand_path(File.join(File.dirname(__FILE__), 'helper'))
 
 my_print = proc { |out, value| out.puts "Output is: #{value.inspect}" }
 

examples/example_prompt.rb

@@ -1,7 +1,4 @@
-direc = File.dirname(__FILE__)
-
-require 'rubygems'
-require "#{direc}/../lib/pry"
+require File.expand_path(File.join(File.dirname(__FILE__), 'helper'))
 
 # Remember, first prompt in array is the main prompt, second is the wait
 # prompt (used for multiline input when more input is required)

examples/helper.rb

@@ -0,0 +1,6 @@
+require 'rubygems'
+unless Object.const_defined? 'Pry'
+  $:.unshift File.expand_path '../../lib', __FILE__
+  require 'pry'
+end
+