enexから添付ファイル取り出し.rb

#!/usr/bin/env ruby 
#

require 'nokogiri'
require 'digest/md5'
require 'pry'
require 'base64'


def dump_attached_files( enex_path ) 

  doc = Nokogiri::Slop( open( enex_path ).read )
  resources = doc.search('//resource')
  resources.each{|r|
    ext = r.mime.text.split('/').last
    bin = Base64.decode64(r.data.text)
    str = Digest::MD5.hexdigest(bin)
    open("#{str}.#{ext}",'w'){|f|
      f.write bin
    }
  }
end



if __FILE__ == $0 then 
  ARGV.each{|args|
    dump_attached_files( args ) if File.exists? args 
  }
end