Reload all ruby files in the given directory (defaults to Dir.pwd) that have been loaded.

pry_reload.rb

Pry.config.commands.command "reload", "Reload all ruby files in the given directory (defaults to Dir.pwd) that have been loaded." do |*args|
  args = [Dir.pwd] if args.empty?

  $LOADED_FEATURES.each do |feature|
    if args.any?{|dir| feature =~ /#{dir}/} && feature.end_with?('.rb')
      load feature
      output.puts "Reloaded: #{feature}."
    end
  end
end