newpost.rb

#!/usr/bin/env ruby

unless ARGV[0]
  puts 'Usage: newpost "the post title"'
  exit(-1)
end

# set the date for the entry, where the jekyll blog is and process the title to give a filename:
date_prefix = Time.now.strftime("%Y-%m-%d")
postname = ARGV[0].strip.downcase.gsub(/ /, '-')
jekyll_path = '/Users/chrisadams/GitRepos/camuk' 

# then construct the full path
post = "#{jekyll_path}/#{date_prefix}-#{postname}.markdown"

#  set basic meta data 
header = <<-END
---
layout: post
title: "#{ARGV[0]}"
---

# {{ page.title }}

END

File.open(post, 'w') do |f|
  f << header
end

# finally, open the newly created file in Textmate for editing fun
system("mate", "-a", post)