Add Require Entire Gemfile In A Pry Session as a ruby til

ruby/require-entire-gemfile-in-pry-session.md

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+# Require Entire Gemfile In Pry Session
+
+Want to experiment in a pry session with some of the gems in your project's
+`Gemfile`? You can quickly require all the gems for your project using
+Bundler's `#require` method.
+
+Just require `bundler` itself and then execute `Bundler.requie`. Everything
+will be loaded in.
+
+```ruby
+> require 'bundler'
+=> true
+> Bundler.require
+=> [Gem::Dependency.new("devise", Gem::Requirement.new([">= 0"]), :runtime),
+ Gem::Dependency.new("rails", Gem::Requirement.new(["= 4.2.5"]), :runtime),
+ Gem::Dependency.new("pg", Gem::Requirement.new(["~> 0.15"]), :runtime),
+...
+```