Check all gem files if they are readable

gistfile1.txt

#!/usr/bin/env ruby


require 'rubygems/format'
require 'thread'

queue = Queue.new

Dir["gems/*.gem"].sort.each do |gem|
  #puts "Processing #{gem}"
  queue << lambda {
  begin
   Gem::Format.from_file_by_path(gem)
  rescue => e
   puts "ERROR: #{gem}: #{e.message}"
  rescue SyntaxError => e
   puts "SYNTAX ERROR: #{gem}: #{e.message}"
  end 
  }
end

puts "Processing..."
threads = []
10.times do |i|
  threads << Thread.new do 
    queue.pop.call while true
  end
end

until queue.empty? && queue.num_waiting == 10
  threads.each { |t| t.join(0.1) }
end

thread.each { |t| t.kill }