Rake tasks to rename Octopress posts to correspond to metadata, for org-mode as well. In Octopress, the meta is used for the blog post date.

Rakefile

org_posts_dir   = "org_posts" # directory under source


# From http://www.ewal.net/2012/09/08/octopress-customizations/
# Modified to have default flag of true to include drafts
desc "Rename files in the posts directory if the filename does not match the post date in the YAML front matter"
task :rename_posts do
  rename_posts_in_dir "#{source_dir}/#{posts_dir}", "markdown"
  # remove next line if you're you're not using org-mode
  rename_posts_in_dir "#{source_dir}/#{org_posts_dir}", "org"
end

def rename_posts_in_dir dir, ext, include_drafts = true
  Dir.chdir(dir) do
    Dir["*.#{ext}"].each do |post|
      post_date = ""
      File.open( post ) do |f|
        f.grep( /^date: / ) do |line|
          post_date = line.gsub(/date: /, "").gsub(/\s.*$/, "")
          break
        end
      end
      post_title = post.to_s.gsub(/\d{4}-\d{2}-\d{2}/, "")  # Get the post title from the currently processed post
      new_post_name = post_date + post_title # determing the correct filename
      rename = post != new_post_name
      next unless rename
      unless include_drafts
        is_draft = false
        File.open( post ) do |f|
          f.grep( /^published: false/ ) do |line|
            is_draft = true
            break
          end
        end
        next if is_draft
      end
      puts "renaming #{post} to #{new_post_name}"
      FileUtils.mv(post, new_post_name)
    end
  end
end