mvphoto.rb

require 'fileutils'
require 'pathname'
require 'pp'

nas_path = Pathname.new('/Volumes/photo')

card_path = Pathname.new(ARGV[0])
card_path.glob("DCIM/[0-9][0-9][0-9]CANON/*.{JPG,CR3}") {|path|
    src_path = card_path / path
    sday = File.birthtime(src_path).strftime('%Y%m%d')
    dst_dir = nas_path / sday
    FileUtils.mkdir_p(dst_dir) unless File.directory?(dst_dir)
    FileUtils.mv(src_path, dst_dir)
    puts ("%s -> %s" % [src_path, dst_dir])
}