From: geo ssscripting <etaern@...>
Date: 2009-09-08T01:58:24+09:00
Subject: Re: Executing system commands in threads under Ruby 1.8.6

Here's the rewrite using IO.popen:

threads = []

(1..254).each do |i|
  puts "pinging #{i}"
  threads << Thread.new {
    content = ""
    IO.popen("ping 192.168.0.#{i}") do |io|
      io.each { |l| content << l }
    end
    content
  }
end

threads.each do |t|
  t.join
  puts t.value
end

This doesn't behave different. My Ruby -v outputs this :

ruby 1.8.6 (2008-08-11 patchlevel 287) [i386-mswin32]

I'm running Windows XP.

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