A few lines to extract a downloaded album from bandcamp into nice folders

bandcamp-extractor.rb

#!/bin/env ruby
# (C) 2015 Thomas R. Koll, <info@ananasblau.com>
# licensed under WTFPL http://www.wtfpl.net/
# Usage: Download gist, put it into your bin directory, chmod it to executable and simply pass the zip files as argument
# the export command is optionally, you might want to change it in the script
#   export bandcamp_target_dir='/data/music/'; bandcamp-extractor.rb ~/Downloads/bandcamp/*zip

target_dir = ENV['bandcamp_target_dir'] || '/data/music'

ARGV.each do |filename|
  current_dir = target_dir
  dirs = filename.split('-').map(&:strip).map{|f| f.gsub(/\.zip/i, '')}
  dirs.each do |dir|
    current_dir = [current_dir, dir].join('/')
    if !Dir.exist?(current_dir)
      Dir.mkdir(current_dir)
    end
  end
  system('unzip "%s" -d "%s"' % [filename, current_dir])
end