clean uploaded file and dirs after bypy syncup

bypy_syncup_cleanup.rb

#!/usr/bin/env ruby

require "fileutils"

list_fn = ARGV[0]
root_dir = ARGV[1]

sames = []

is_same_files = false
File.readlines(list_fn).each do |line|
  line.chomp!
  if line == "==== Same files ===" then
    is_same_files = true
  elsif line == "==== Different files ===" then
    is_same_files = false
  else
    if is_same_files then
      strs = line.split(" - ")
      sames << File.join(root_dir, strs[1]) if strs[0] == "F"
    end
  end
end

sames.each do |s|
  if File.exists?(s) then
    puts "rm #{s}"
    FileUtils.rm_f(s)
  end
end

def walk_dir(dir)
  entries = Dir.entries(dir).select { |e| e != "." && e != ".." }

  count = entries.size
  entries.each do |e|
    e = File.join(dir, e)
    if Dir.exists?(e) then
      count = count-1 if walk_dir(e)
    end
  end

  if count == 0 then
    puts "rm -r #{dir}"
    FileUtils.rm_r(dir)
    true
  else
    false
  end
end

walk_dir(root_dir)