rtorrent-session-info.rb

#!/usr/bin/env ruby
# encoding: utf-8
#
require 'bencode'

# print the list of files which are in a given directory, but not currently seeding in rtorrent
#
#   This script answers the question / problem:
#   "I have a ton of stuff downloading in rtorrent, and it's all going
#   into one directory.  What stuff from that directory can be safely
#   moved (is no longer tied to rtorrent)?"
#
# Usage: $0 </path/to/rtorrent/.sessions/*.rtorrent> </path/to/directory_of_files>
#

seeding = ARGF.collect do |str|
  BEncode.load(str.encode! "UTF-8", "UTF-8", :invalid => :replace)['directory']
end.sort

dir_contents = Dir["/drum/bt/*/*"]

puts (dir_contents - seeding).sort
#puts dir_contents-seeding