IP Catcher

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        --Howto use--
the command line:
   ruby /path/to/ipcatcher.rb /path/to/filename
the program will print all the ip addresses which is inside the file.
 the program doesn't print the same ip address twice. with no duplications.
Done by <a href="http://www.amerj.info">Amer Jazaerly</a>.there is no copyright.
have fun ;)

#!/usr/bin/ruby

def get_ips(file)
  ips = []
  File.read(file).to_a.each do |place|
    sf = 0
    while sfn = place.index(/(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)/,sf)
      sf = sfn + 3
      ips << $&
    end
  end
  return ips
end

get_ips(ARGV[0]).uniq.each { |ip| puts ip }

Tags:
• address
• file
• get_ip
• ip
• regex
• regular expression
• Ruby