direc = File.dirname(__FILE__) require 'rubygems' require "#{direc}/../lib/pry" # Inherit standard command set, but tweak them by importing some and # overriding others. # Illustrates use of `command`, `run`, and `import_from` commands. class MyCommands < Pry::CommandBase # Override ls command command "ls", "An unhelpful ls" do output.puts "No, i refuse to display any useful information." end # bring in just the status command from Pry::Commands import_from Pry::Commands, "status" # analogy to Ruby's native alias_method idiom for decorating a method alias_command "old_status", "status", "" # Invoke one command from within another using `run` command "status", "Modified status." do |x| output.puts "About to show status, are you ready?" run "old_status", x output.puts "Finished showing status." end # bring in a few other commands import_from Pry::Commands, "quit", "show-method" end # Start a Pry session using the commands defined in MyCommands # Type 'help' in Pry to get a list of the commands and their descriptions Pry.start(TOPLEVEL_BINDING, :commands => MyCommands)