エクスポートされたEvernoteXMLフォーマット（*.enex）ファイルからはてなブックマークにインポート出来るNetscapeBookmarkFileを生成するRubyスクリプト

evernote.rb

# -*- coding: utf-8 -*-

require 'nokogiri'
require 'time'

module Evernote
  def self.load_file(path)
    doc = Nokogiri.XML open(path)
    parse_document doc
  end

  private
  
  def self.parse_document(doc)
    doc.css('note').map do |note|
      Note.parse note
    end
  end

  def parse_element(element)
    element.text if element
  end

  def parse_time_element(element)
    Time.parse element.text if element
  end

  class Note
    extend Evernote
    
    attr_accessor :title, :content, :created, :updated, :tags, :attribute

    def self.parse(doc)
      note = self.new
      note.title = parse_element doc.at('title')
      note.content = parse_element doc.at('content')
      note.created = parse_time_element doc.at('created')
      note.updated = parse_time_element doc.at('updated')
      note.tags = doc.css('tag').map do |tag|
        tag.text
      end
      note.attribute = Attribute.parse doc.at('note-attributes')
      note
    end

    class Attribute
      extend Evernote

      attr_accessor :subject_date, :source, :source_url

      def self.parse(doc)
        attribute = self.new
        return attribute unless doc
        
        attribute.subject_date = parse_time_element doc.at('subject-date')
        attribute.source = parse_element doc.at('source')
        attribute.source_url = parse_element doc.at('source-url')
        attribute
      end
    end
  end
end

evernote2bookmark.rb

#!/usr/bin/env ruby
# -*- coding: utf-8 -*-
## evernote2bookmark is a command line script for convert to netscape bookmark file from exported evernote file.
##
## Usage: evernote2bookmark.rb [options] file ...
##

require 'optparse'

def usage
  File.readlines(__FILE__).grep(/^##.*/).map do |line|
    line.chomp[3..-1]
  end.join("\n")
end

options = {
  include_tags: [],
  exclude_tags: [],
  output_file: nil
}

# Parse Options.
opt = OptionParser.new do |opt|
  opt.banner = usage

  include_text = 'Include Tags Separate Comma. (If tag be both matches are exclude.)'
  opt.on('-i [tag,...]', '--include-tags [tag,...]', include_text) do |v|
    options[:include_tags] = v.split(',').map(&:strip)
  end  
  
  exclude_text = 'Exclude Tags Separate Comma.'
  opt.on('-e [tag,...]', '--exclude-tags [tag,...]', exclude_text) do |v|
    options[:exclude_tags] = v.split(',').map(&:strip)
  end

  output_text = 'Output File Name.'
  opt.on('-o [file]', '--output-file [file]', output_text) do |v|
    options[:output_file] = v
  end
  
  opt.on('-h', '--help', 'Show This Help Message.') do
    puts opt.help
    exit
  end

  opt.parse! ARGV
end

if ARGV.empty?
  puts opt.help
  exit
end
file_paths = ARGV

# Loading Evernote Module.
require File.join File.dirname(File.expand_path(__FILE__)), 'evernote'

# All XML File Converting to Object.
notes = file_paths.inject([]) do |notes, path|
  notes.concat Evernote.load_file(path)
end

# Select Web Clip Notes.
notes = notes.select do |note|
  note.attribute.source_url
end

# Select Notes if Specified include tags.
unless options[:include_tags].empty?
  notes = notes.select do |note|
    note.tags.any? do |tag|
      options[:include_tags].include? tag
    end
  end
end

# Detect Notes if Specified exclude tags.
unless options[:exclude_tags].empty?
  notes = notes.reject do |note|
    note.tags.any? do |tag|
      options[:exclude_tags].include? tag
    end
  end
end

# Generate Netsace Bookmark File.
items = notes.map do |note|
  "<DT><A HREF=\"#{note.attribute.source_url}\" ADD_DATE=\"#{note.created.to_i}\" PRIVATE=\"0\" TAGS=\"#{note.tags.join(',')}\">#{note.title}</A>"
end
xml = <<XML
<!DOCTYPE NETSCAPE-Bookmark-file-1>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=UTF-8">
<TITLE>Bookmarks</TITLE>
<H1>Bookmarks</H1>
<DL><p>#{items.join("\n")}
</DL><p>
XML

# Output to file if Specified File. Otherwise Output to Standard Output.
if options[:output_file]
  open(options[:output_file], 'w') do |file|
    file.puts xml
  end
else
  puts xml
end