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Ruby Ferret Simple Indexing And Search Example Part 2

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This is an example of how to search within a Ferret index (based upon http://kasparov.skife.org/blog/src/ruby/ferret.html).

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  1. require 'rubygems'
  2. require 'ferret'
  3. require 'find'
  4.  
  5. wot = ARGV[0]
  6. if wot.nil?
  7.  puts "use: search.rb <query>"
  8.  exit
  9. end
  10.  
  11. index = Ferret::Index::Index.new(:default_field => 'content', :path => '/tmp/index_folder')
  12. ini = Time.now
  13. puts "Searching.."
  14. docs=0
  15.  
  16. index.search_each(wot, options={:limit=>:all}) do |doc, score|
  17.  
  18.  res= <<STRING_END
  19.  -------------------------------------------------------
  20.  #{File.basename(index[doc]['file'])} :
  21.  #{index.highlight(wot, doc,:field => :content,:pre_tag => "->>",:post_tag => "<<-")}
  22. STRING_END
  23.  puts res              
  24.  docs+=1
  25. end
  26.  
  27. elapsed = Time.now - ini
  28. puts "Elapsed time: #{elapsed} secs\n"
  29. puts "Documents found: #{docs}"

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