require 'rubygems'
require 'ferret'
require 'find'

wot = ARGV[0]
if wot.nil?
 puts "use: search.rb <query>"
 exit
end

index = Ferret::Index::Index.new(:default_field => 'content', :path => '/tmp/index_folder')
ini = Time.now
puts "Searching.."
docs=0

index.search_each(wot, options={:limit=>:all}) do |doc, score|
 
 res= <<STRING_END
 -------------------------------------------------------
 #{File.basename(index[doc]['file'])} :
 #{index.highlight(wot, doc,:field => :content,:pre_tag => "->>",:post_tag => "<<-")}
STRING_END
 puts res              
 docs+=1
end

elapsed = Time.now - ini
puts "Elapsed time: #{elapsed} secs\n"
puts "Documents found: #{docs}"

require 'rubygems'
require 'ferret'
require 'find'

wot = ARGV[0]
if wot.nil?
 puts "use: search.rb <query>"
 exit
end

index = Ferret::Index::Index.new(:default_field => 'content', :path => '/tmp/index_folder')
ini = Time.now
puts "Searching.."
docs=0

index.search_each(wot, options={:limit=>:all}) do |doc, score|
 
 res= <<STRING_END
 -------------------------------------------------------
 #{File.new(index[doc]['file']).base_name} :
 #{index.highlight(wot, doc,:field => :content,:pre_tag => "->>",:post_tag => "<<-")}
STRING_END
 puts res              
 docs+=1
end

elapsed = Time.now - ini
puts "Elapsed time: #{elapsed} secs\n"
puts "Documents found: #{docs}"

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

Ruby Ferret Simple Indexing And Search Example Part 2

search, ruby

Ruby