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randy909/zero-padder.rb

Last active May 30, 2016 12:49
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zero-padder.rb
Dir.glob('*.{mp3,MP3}') do |file|
match = file.match(/^(.+\()(\d+)(\).+)/)
if (match == nil)
puts "skipping #{file}"
next
end
front, num, back = match.captures
num = num.rjust(2, '0')
newfile = front + num + back
puts "renaming #{file} to #{newfile}"
File.rename(file, newfile)
end
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