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May 30, 2016 12:49
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| Dir.glob('*.mp3') do |file| | |
| front, num, back = file.match(/^(.+\()(\d+)(\).+)/).captures | |
| num = num.rjust(2, '0') | |
| newfile = front + num + back | |
| puts "renaming #{file} to #{newfile}" | |
| File.rename(file, newfile) | |
| end |
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