irb configuration

.irbrc

@@ -0,0 +1,48 @@
+#!/usr/bin/ruby
+require 'irb/completion'
+require 'irb/ext/save-history'
+require 'rubygems'
+
+IRB.conf[:SAVE_HISTORY] = 1000
+IRB.conf[:HISTORY_FILE] = "#{ENV['HOME']}/.irb_history"
+
+IRB.conf[:PROMPT_MODE] = :SIMPLE
+
+IRB.conf[:AUTO_INDENT] = true
+
+class Object
+  # list methods which aren't in superclass
+  def local_methods(obj = self)
+    (obj.methods - obj.class.superclass.instance_methods).sort
+  end
+
+  # print documentation
+  #
+  #   ri 'Array#pop'
+  #   Array.ri
+  #   Array.ri :pop
+  #   arr.ri :pop
+  def ri(method = nil)
+    unless method && method =~ /^[A-Z]/ # if class isn't specified
+      klass = self.kind_of?(Class) ? name : self.class.name
+      method = [klass, method].compact.join('#')
+    end
+    puts `ri '#{method}'`
+  end
+end
+
+# Copies the result of the last operation you ran in IRB to the system
+# clipboard (if you're on macOS).
+def cop
+  last_value = IRB.CurrentContext.last_value
+  %x[echo '#{last_value}' | pbcopy]
+  "copied \`#{last_value}' to your clipboard"
+end
+
+def me
+  User.find_by_login(ENV['USER'].strip)
+end
+
+def r
+  reload!
+end