gistfile1.rb

#!/opt/local/bin/ruby
#list_suspected_duplicates.rb

dir = *ARGV

raise "usage: #{$0} base_dir" unless dir

puts "Working in #{dir}"

rars = Dir.glob(File.join(dir, "**", "*.rar")).map { |f| File.dirname(f) }.uniq.sort
# puts rars
videos = Dir.glob(File.join(dir, "**", "*.avi")).map { |f| File.dirname(f) }.uniq.sort
# puts videos

matches = (rars & videos)
# puts matches
# exit

matches.each { |match| 
  puts match
  puts "  rar files:\n" + Dir.glob(File.join(match, "*.rar")).map { |f| "    " + File.basename(f) }.join("\n")
  puts "  avi files:\n" + Dir.glob(File.join(match, "*.avi")).map { |f| "    " + File.basename(f) }.join("\n")
  puts ""
}

__END__

USAGE:

glen@coat ~/src $ ./list_suspected_duplicates.rb /Volumes/TwoFifty/TwoFifty_movies/
Working in /Volumes/TwoFifty/TwoFifty_movies/
/Volumes/TwoFifty/TwoFifty_movies/new/Smart.People.DVDRip.XviD-DiAMOND
  rar files:
    dmd-smartpeople.rar
  avi files:
    dmd-smartpeople.avi

/Volumes/TwoFifty/TwoFifty_movies/new/Son.of.Rambow.DVDRip.XviD-DoNE
  rar files:
    son.of.rambow-done.rar
  avi files:
    Son.of.Rambow.DVDRip.XviD-DoNE.avi

/Volumes/TwoFifty/TwoFifty_movies/unwatched/2001.A.Space.Odyssey.1968.READ.NFO.INT.DVDRip.AC3.XViD-DDX/CD2
  rar files:
    ddx-2001.cd2.rar
  avi files:
    ddx-2001.a.space.odyssey.cd2.xvid.avi

/Volumes/TwoFifty/TwoFifty_movies/unwatched/Dr.Strangelove.1964.DVDRip.XviD.Multiple.Subs.iNT-TD
  rar files:
    TD-ds.rar
  avi files:
    TD-ds-sample.avi

/Volumes/TwoFifty/TwoFifty_movies/unwatched/Futurama.Benders.Big.Score.XViD.DVDRiP-ANiVCD
  rar files:
    futurama.benders.big.score.anivcd.rar
  avi files:
    futurama.benders.big.score.anivcd.avi

/Volumes/TwoFifty/TwoFifty_movies/unwatched/Rocky.BOXSET.DVDRip.XviD/Rocky.1976.iNTERNAL.DVDRip.XviD-CULTXviD/CD1
  rar files:
    rocky.dvdrip.xvid.cd1-cultxvid.rar
  avi files:
    rocky.dvdrip.xvid.cd1-cultxvid.avi