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/gist:08f79192835d16d8c24f

Created December 1, 2014 23:38
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gistfile1.rb
unless ARGV.size == 1
puts "Invalid number of arguments?"
else
in_file = File.new(ARGV[0], 'r')
in_file.each_line do |line|
puts line.scan((?:\d{1,3}\.){3}\d{1,3}| )
end
end
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