Maid rules

rules.rb

# https://github.com/benjaminoakes/maid

Maid.rules do
  ## Trash a bunch of downloaded stuffs ##

  rule 'Trash duplicate downloads' do
    # Keep the dupe with the shortest filename
    trash verbose_dupes_in('~/Downloads/*')
  end

  rule 'Trash development downloads' do
    files('~/Downloads/*').each do |path|
      if downloaded_from(path).any? { |u| u.match %r{//(localhost|[^\.]+\.dev)} } and 1.week.since? accessed_at path
        trash path
      end
    end
  end

  rule 'Trash zips and tarballs downloaded from GitHub' do
    dir('~/Downloads/*.{zip,tgz,gz,rar,tar}').each do |path|
      if downloaded_from(path).any? { |u| u.match %r{//([^\/]+\.)?github\.com\/} }
        trash path
      end
    end
  end

  rule 'Trash incomplete downloads' do
    trash dir('~/Downloads/*.download').select { |p| 30.days.since modified_at p }
  end


  ## Save some downloaded stuffs ##

  rule 'Add downloaded music to iTunes' do
    move dir('~/Downloads/*.mp3').select { |p| duration_s(p) > 45.0 }, '~/Music/iTunes/Automatically Add to iTunes/'
  end

  rule 'Archive downloaded applications in zip files' do
    dir('~/Downloads/*.zip').each do |path|
      if zipfile_contents(path).any? { |c| c.match %r{\.app$} }
        move path, '~/Downloads/Applications'
      end
    end
  end

  # And organize the rest
  DOWNLOAD_TYPES = {
    'Applications' => ['public.disk-image', 'com.apple.application', 'com.apple.installer-package-archive'],
    'Archives'     => 'public.archive',
    'Audio'        => 'public.audio',
    'Images'       => 'public.image',
    'PDFs'         => 'com.adobe.pdf',
    'Video'        => 'public.movie',
  }
  DOWNLOAD_TYPES.each do |sub_dir, types|
    rule "Move downloaded #{sub_dir.downcase}" do
      move where_content_type(dir('~/Downloads/*.*'), types), mkdir("~/Downloads/#{sub_dir}")
    end
  end


  ## Desktop cleanup ##

  rule 'Archive old screenshots on the Desktop' do
    move dir('~/Desktop/Screen Shot *').select { |p| 2.days.since? accessed_at p }, mkdir('~/Documents/Screenshots/')
  end

  rule 'Archive old links on the Desktop' do
    move dir('~/Desktop/*.webloc').select { |p| 7.days.since? created_at p }, mkdir('~/Desktop/Links')
  end

  rule 'Remove empty directories' do
    dir(['~/Desktop/*', '~/Downloads/*']).each do |path|
      if File.directory?(path) && dir("#{ path }/*").empty?
        trash(path)
      end
    end
  end
end

I'm really impressed with your gist. You've implemented some features I'd love to bring into Maid itself (e.g. list duplicate files) and I also like your files method.

Would you be willing to contribute this code? (By making a pull request if possible.)