Renaming script for WWDC 2013 videos

wwdc_rename.rb

class WWDC
  NAMES = {
    "100" => "Keynote",
    "101" => "Platforms State of the Union",
    "102" => "Apple Design Awards",
    "109" => "Painting the Future",
    "200" => "Accessibility in OS X",
    "201" => "Building User Interfaces for iOS 7",
    "202" => "Accessibility in iOS",
    "203" => "What's New in Cocoa Touch",
    "204" => "What's New with Multitasking",
    "205" => "What's New in Cocoa",
    "206" => "Getting Started with UIKit Dynamics",
    "207" => "What's New in Core Data and iCloud",
    "208" => "What's New in iOS User Interface Design",
    "209" => "Improving Power Efficiency with App Nap",
    "210" => "Introducing Text Kit",
    "211" => "Core Data Performance Optimization and Debugging",
    "213" => "Best Practices for Cocoa Animation",
    "214" => "Customizing Your App's Appearance for iOS 7",
    "215" => "Optimizing Drawing and Scrolling on OS X",
    "216" => "Bringing Your iOS Apps to OS X",
    "217" => "Exploring Scroll Views on iOS 7",
    "218" => "Custom Transitions Using View Controllers",
    "219" => "Making Your App World-Ready",
    "220" => "Advanced Text Layouts and Effects with Text Kit",
    "221" => "Advanced Techniques with UIKit Dynamics",
    "222" => "What's New in State Restoration",
    "223" => "Using Fonts with Text Kit",
    "224" => "Designing Code for Performance",
    "225" => "Best Practices for Great iOS UI Design",
    "226" => "Implementing Engaging UI on iOS",
    "227" => "Solutions to Common Date and Time Challenges",
    "228" => "Hidden Gems in Cocoa and Cocoa Touch",
    "300" => "Managing Apple Devices",
    "301" => "Extending Your Apps for Enterprise and Education Use",
    "302" => "What's New in Passbook",
    "303" => "Integrating Passbook into your Ecosystem",
    "304" => "What's New in Map Kit",
    "305" => "Using Store Kit for In-App Purchases",
    "306" => "What's New in iTunes Connect",
    "307" => "What's New in Core Location",
    "308" => "Using Receipts to Protect Your Digital Sales",
    "309" => "Putting Map Kit in Perspective",
    "310" => "Harnessing iOS to Create Magic in Your Apps",
    "400" => "What's New in Xcode 5",
    "401" => "Xcode Core Concepts",
    "402" => "What's New in the LLVM Compiler",
    "403" => "From Zero to App Store in Xcode 5",
    "404" => "Advances in Objective-C",
    "405" => "Interface Builder Core Concepts",
    "406" => "Taking Control of Auto Layout in Xcode 5",
    "407" => "Debugging with Xcode",
    "408" => "Optimize Your Code Using LLVM",
    "409" => "Testing in Xcode 5",
    "410" => "Fixing Memory Issues",
    "412" => "Continuous Integration with Xcode 5",
    "413" => "Advanced Debugging with LLDB",
    "414" => "Understanding Source Control in Xcode",
    "415" => "Maximizing Apple Development Resources",
    "416" => "Introducing AppleScript Libraries",
    "417" => "OS X Automation Update",
    "500" => "What's New in Scene Kit",
    "501" => "Integrating with Game Controllers",
    "502" => "Introduction to Sprite Kit",
    "503" => "Designing Games with Sprite Kit",
    "504" => "What's New in Game Center",
    "505" => "Advances in OpenGL ES",
    "506" => "Turn-Based Gaming with Game Center",
    "507" => "What's New in OpenGL for OS X",
    "508" => "Working with OpenCL",
    "509" => "Core Image Effects and Techniques",
    "600" => "What's New in Safari and WebKit for Web Developers",
    "601" => "Getting to Know Web Inspector",
    "602" => "What's New in Core Audio for iOS",
    "603" => "Getting the Most Out of Web Inspector",
    "604" => "Introducing iAd Workbench, The Best Way to Market Your App",
    "605" => "What's New in iBooks Author",
    "606" => "Moving to AV Kit and AV Foundation",
    "607" => "Power and Performance: Optimizing Your Website for Great Battery Life and Responsive Scrolling",
    "608" => "Preparing and Presenting Media for Accessibility",
    "609" => "Introduction to iBooks Author Widget and iAd Rich Media Ad Development with iAd Producer 4",
    "610" => "What's New in Camera Capture",
    "611" => "Building Advanced iBooks HTML 5 Widgets and iAd Rich Media Ads",
    "612" => "Advanced Editing with AV Foundation",
    "613" => "iAd Integration and Best Practices",
    "614" => "Implementing OS X Push Notifications for Websites",
    "615" => "Integrating JavaScript into Native Apps",
    "700" => "Designing Accessories for iOS and OS X",
    "701" => "Maximizing Battery Life on OS X",
    "702" => "Efficient Design with XPC",
    "703" => "Core Bluetooth",
    "704" => "Building Efficient OS X Apps",
    "705" => "What's New in Foundation Networking",
    "707" => "What's New in Kext Development",
    "708" => "Nearby Networking with Multipeer Connectivity",
    "709" => "Protecting Secrets with the Keychain",
    "710" => "A Practical Guide to the App Sandbox",
    "711" => "Advances in AirPrint",
    "712" => "Energy Best Practices",
    "713" => "The Accelerate Framework",
    "714" => "Protecting your Users' Privacy"
  }

  class << self
    attr_accessor :files
    attr_accessor :dry

    def get_files
      self.files = Dir["*.mov"]
    end

    def rename
      self.dry = true if ARGV.first != "-f"
      get_files
      files.each do |file|
        number = file.gsub("-SD.mov", "")
        new_name = "#{number} - #{NAMES[number]}.mov"
        if dry
          puts "In dry mode. Would rename #{ file } to #{new_name}"
        else
          puts "Running for real!"
          File.rename(file, new_name)
        end
      end
    end
  end
end

# 100-SD.mov => 100 - Keynote.mov

# Run with -f arg from command-line to run "fo real". 
# Otherwise, dry mode to be safe.

WWDC.rename