#!/usr/bin/ruby
# File: scrubbit.rb 
# Takes input from user and checks it against file of stop words.

puts "Enter a phrase to scrub:"
unscrubbed = gets.chomp!
puts "Your phrase is #{unscrubbed}."

filename = "small_goodwords.txt"
if File.exists?(filename) then
  infile = File.open("#{filename}", "r")
else
  puts "#{filename} not found"
  exit
end
#put the goodwords into a hash:
good_hash = {}
infile.each do
  |word|
  word.chomp!
  good_hash[word]=" "
end


word_array = unscrubbed.split
word_array.each do
  |word|
  if good_hash.key?("#{word}")
    print word + " "
  else
    print "* "
  end

end
puts

exit