A simple script for downloading and converting online web pages to PDF files.

mighty.rb

# 
# = Mighty
#
# Convert Matt Might blog articles (or others by the way) to PDF format.
# This is useful for keeping as references and offline reading.
#
# Author::  Luc Traonmilin
# Date::    2013-09-27
# License:: MIT
#
# Prerequisites:
#   
#   gem install pdfkit
#   gem install wkhtmltopdf-binary
#
# Refer to https://github.com/pdfkit/pdfkit in case of any trouble with PDFKit.
# 
# Command format:
#
#   ruby mighty.rb <url> <file>
#
# Call it this way for example:
#   ruby mighty.rb "http://matt.might.net/articles/discrete-math-and-code/" \
#   "Might - Math to Code.pdf"
 
require 'pdfkit'
 
module Mighty
 
  def self.retrieve(url, file)
    begin
      PDFKit.new(url).to_file file
    rescue Exception => exception
      puts exception
    end
  end
end
 
if __FILE__ == $0
  Mighty::retrieve ARGV[0], ARGV[1]
end