Update README, add Raketask

Author: ianwinter

README.md

@@ -4,12 +4,16 @@ This script allows you to download, not only those books, but all of the books l
 
 This was based on ruby 2.2.3 but you can change the `.ruby-version` file as there's nothing too exciting in here.
 
-You'll need to rename `config.yml.example` to `config.yml` and edit it so that it has your email, password to login to packtpub.com and the path where you want the books to download, which, will need to exist already.
-
 Once done install the required gems with bundler.
 
 ```
 bundle install
+rake bootstrap
+```
+
+You'll need to edit `config.yml` so that it has your email, password to login to packtpub.com and the path where you want the books to download, which, will need to exist already.
+
+```
 bundle exec ruby download-packt-books.rb
 ```
 

Rakefile

@@ -0,0 +1,16 @@
+require "bundler/setup"
+
+CONFIG_FILES = FileList["config/*.yml.example"].ext("")
+
+desc "Initialize default config files"
+task bootstrap: "bootstrap:all"
+namespace :bootstrap do
+  task all: :config
+  task config: CONFIG_FILES
+end
+rule ".yml" => ".yml.example" do |task|
+  cp task.source, task.name
+end
+
+require "rake/clean"
+CLEAN.include(CONFIG_FILES)

config.yml.example

@@ -0,0 +1,4 @@
+email: name@domain.com
+password: password
+downloadpath: /path/to/app/download
+booklist: /path/to/app/config/books.yml

books.yml.example renamed to config/books.yml.example

@@ -3,10 +3,10 @@
 require 'yaml'
 
 # read the config
-config = YAML.load(File.read(File.expand_path("config.yml")))
+config = YAML.load(File.read(File.expand_path("config/config.yml")))
 
 # read the tracking file
-downloaded_books = YAML::load_file("books.yml")
+downloaded_books = YAML::load_file(config["booklist"])
 
 # setup the agent
 agent = Mechanize.new
@@ -67,7 +67,7 @@
         agent.download(full_link, download_base + file_name)
         downloaded_books["list"] << "#{file_name}" unless downloaded_books["list"].include?("#{file_name}")
       end
-      File.open("books.yml", 'w') {|f| f.write downloaded_books.to_yaml }
+      File.open(config["booklist"], 'w') {|f| f.write downloaded_books.to_yaml }
     rescue Mechanize::ResponseReadError => e
       e.force_parse
       puts "  => " + file_name + " retrying"