PDF sending script

semd_to_kindle.rb

#!/usr/bin/env ruby

chunks = []
current_chunk = []
current_chunk_size = 0

CHUNK_MAX = 25
CHUNK_SIZE_MAX = 1000 * 1000 * 20
KINDLE_DIR = '%s/Dropbox/Kindle/' % [ENV['HOME']]

Dir.foreach(KINDLE_DIR) { |x|
  filename = '"' + KINDLE_DIR + x + '"'
  filesize = File.size(filename.gsub(/"/, ''))

  if not /\.pdf$/i.match(x) or filesize > CHUNK_SIZE_MAX
    next
  end

  if current_chunk.length >= CHUNK_MAX or (current_chunk_size + filesize) > CHUNK_SIZE_MAX
    chunks.push(current_chunk)
    current_chunk = []
    current_chunk_size = 0
  end
  current_chunk_size += filesize
  current_chunk.push(filename)
}
if not current_chunk.empty?
  chunks.push(current_chunk)
end

chunks.each_index {|i|
  print '%4d / %4d: ' % [i + 1, chunks.length]
  raise "assert" unless system('sendKindle %s' % chunks[i].join(' '))

  for f in chunks[i]
    File.delete(f.gsub(/"/, ''))
  end
}