Web page word count parser

parser.rb

#!/usr/bin/env ruby

# Usage:
# ruby parser.rb "http://www.leapfile.com"

require "hpricot"
require "open-uri"

page = ARGV[0]
if page == nil
  puts "Usage:"
  puts "ruby parser.rb \"http://www.leapfile.com\""
  exit
end

doc = Hpricot(open(page))

# Get all text elements
all_text = doc.search("*").grep(Hpricot::Text)

# Get rid of script, style, and doctype
text_only = all_text.select { |t| (t.parent.name != "script" && t.parent.name != "style" && t.parent.name != nil) }

# Convert elements to strings, strip whitespace (\n and \t), separate words, then flatten the array.
all_words = text_only.map { |t| t.to_s.strip.split(/[^a-zA-Z]/) }.flatten

# Get rid of blanks
words = all_words.select { |t| t != "" }

#puts words
puts words.size #=> Should return 502 on leapfile.com