RosettaCodeData/Task/Inverted-index/Ruby/inverted-index-2.rb

23 lines
485 B
Ruby

if File.exist? "index.dat"
@data = Marshal.load open("index.dat")
else
raise "The index data file could not be located."
end
class String
def index_sanitize
self.split.collect do |token|
token.downcase.gsub(/\W/, '')
end
end
end
# Take anything passed in on the command line in any form and break it
# down the same way we did when making the index.
ARGV.join(' ').index_sanitize.each do |word|
@result ||= @data[word]
@result &= @data[word]
end
p @result