[Ruby][files,writing,frontmatter] How to create a frontmatter file for each week

ruby-frontmatter-weekly.rb

start_date = Date.today + 1.month
end_date = start_date + 2.years
(start_date..end_date).group_by(&:wday)[1].each do |day|
  pathname = "_drafts/weekly/#{day.year}/#{day.strftime("%m-%d")}.md"
  open(pathname, 'w+') do |post|
    post.puts "---"
    post.puts "layout: weekly"
    post.puts "title: Black River Weekly - #{day.strftime('%B %d %Y')}"
    post.puts "category: weekly"
    post.puts "---"
  end
end