pathname stuff

gistfile1.rb

require 'pathname'
require 'fileutils'
require 'set'

base = Pathname('/newdir/obsolete')
old_dirs = Set.new

Pathname.glob('dir/*/obsolete/*').each do |pn|
 dir, file = pn.split
 customer = dir.parent.basename
 target_dir = base + customer
 target_dir.directoy? or target_dir.mkdir

 target = target_dir + file
 FileUtils.mv pn, target
 old_dirs << dir
end

old_dirs.each {|d| Dir.delete d}