Ruby script to find out the top 3 ips from which is traffic is coming to your server.

file_operations.rb

# This Script will help you to find the top 3 ips from which is traffic is coming to your servers
# Assuming log file is in this format "<IP Address>  <Time Stamp> <url requested> <Rest Service Call Method > < Response>"
def file_operations(file)
  str = Array.new
  temp = Array.new
  File.open(file).each do |line|
    str << line.match(" ").pre_match
  end
  str.uniq.each do |a|
  temp << "#{str.count(a.chomp)} #{a}"
  end
  temp=temp.sort_by(&:to_i).reverse
  puts temp[0..2]
end
file_operations("complete path for the log file)"