CLI + TextMate todo list management

todo.rb

#!/usr/bin/env ruby

# place or symlink this script somewhere in your path and then
# 
# $ todo category long description of task
#
# todo script creates a new file and opens it up in textmate
# take back your task manager, geeks!

Dir.chdir('/path/to/todo/directory/')

category = ARGV.shift
title    = ARGV.join(' ')
filename = "#{category}/#{title}.todo"
doc = "---
title: #{title}
category: #{category}
created_at: #{Time.now}
---

"

Dir.mkdir(category) unless File.exists?(category)
File.open(filename, 'w') {|f| f.write(doc) }

`mate "#{filename}"`