rename wwdc-subtitles

rename.rb

movs = Dir['./*']
hash = Hash.new
movs.each do |f|
  key = f[2,3]
  value = f[2,f.length-6]
  hash[key] = value
end

srts = Dir["/Users/Aladdin/Workspace/WWDC_2014_Video_Subtitle/*.srt"]
srts.each do |srt|
  arg1 = "#{srt}".shellescape
  arg2 = "#{srt[0,50]}#{hash[srt[50,3]]}.srt".shellescape
  FileUtils.mv(arg1,arg2)
end

it should run in irb