From: Aldric Giacomoni <"aldric[remove]"@...>
Date: 2008-12-18T22:22:12+09:00
Subject: Re: Ruby 1.8.6 - normal behavior ?

Just in case.. Here is the whole loop. Please forgive the lack of  
elegance, I am a beginner at Ruby.

ldap.search( :base => treebase, :filter => filter ) do |entry|
  total_count += 1
  threads << Thread.new(entry.name) do |name|
    name, address, ping_result = entry.name.to_s, "", ""
    begin
      address = dns.getaddress(name + "." + domain).to_s
    rescue Resolv::ResolvError
      address = "No entry"
    end

    #Apparently, the simple fact of checking this keeps Ruby from raising
    #A NoMethodError when those entries don't exist
    puts "" if entry[:lastlogon].nil?
    puts "" if entry[:operatingsystemservicepack].nil?
    puts "" if entry[:operatingsystem].nil?

    last_logon = get_last_logon(entry.lastlogon.to_s)
    ## 'bad' programming - taking known output from AD and formatting 
that into a more readable form.
    where_in_ad = ""
    entry.dn.to_s.split(",").reverse_each do |piece_of_puzzle|
      where_in_ad += piece_of_puzzle[3..-1] + '/' if 
piece_of_puzzle[0..2] != "DC="
    end

    ## Finding the subnet from an IPv4
    subnet = address.split(".")[2].to_i
    ## Deciding which worksheet this entry belongs to.
    loc.include?(subnet) ? location = loc[subnet] : location = 'Others'

    begin
      if address != 'No entry'
        ping_result = Ping.pingecho(name, 5, 80)
      else ping_result = 'false'
      end
    rescue Timeout::Error
        ping_result = 'false'
    end

    sheet = book.worksheet(location)
    row = sheet.last_row_index + 1
    sheet.row(row).default_format=(bold) if (address != 'No entry' && 
ping_result == 'false')
    sheet.row(row).push(name, address, where_in_ad, 
entry.operatingsystem.to_s, entry.operatingsystemservicepack.to_s, 
last_logon, ping_result)
  end
end
threads.each{ |t| t.join}


Does this help a little?
Thanks,
-Aldric