Rakefile

desc 'Create new post.'
task :new do
  
  usage = 'rake new title="My title"'
  
  title = ENV["title"]
  time = Time.new
  slug = title ? title.gsub(' ', '-').downcase : time.strftime('%H%M%S')

  TARGET_DIR = "_posts"

  filename = "#{time.strftime('%Y-%m-%d')}-#{slug}.markdown"
  path = File.join(TARGET_DIR, filename)
  post = <<-HTML
---
layout: post
title: #{title || "''"}
tags: []
published: true
---

  HTML
  
  File.open(path, File::WRONLY|File::CREAT|File::EXCL) do |file| # Open file only if it doesn't exist
    file.puts post
  end
  
  puts "New post generated at: #{path}"
  system "open #{path}"
  
end