Create and open file bundle for Textmate 2

tm_create_and_open.rb

#!/usr/bin/env ruby -wKU

# Create and open file bundle for Textmate 2
# Key equivalent: @N

$: << ENV['TM_SUPPORT_PATH'] + '/lib'
require "ui"

filename = TextMate::UI.request_string(:title => "Create and open file",
                             :prompt => "Enter the file name",
                             :button1 => "Create") 

if filename
 selected_file, project_dir = ENV.values_at('TM_SELECTED_FILE', 'TM_PROJECT_DIRECTORY')
 base_dir  = selected_file ? (File.directory?(selected_file) ? selected_file : File.dirname(selected_file)) : project_dir

 target = File.join(base_dir, filename)
 `touch #{target}`
 `mate #{target}`                               
end