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Rollup Count of Events

/ Published in: Ruby
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Digs through the exim log and gives a count for every email address that's generating SMTP errors

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  1. if ARGV[0] == nil then
  2.   puts "SYNTAX:  smtp_errors.rb <logfile>"
  3.   exit
  4. end
  5.  
  6. log = ARGV[0]
  7.  
  8. offenders = Hash.new(0)
  9.  
  10. File.open(log,"r").each do |line|
  11.   if line =~ /SMTP error/ then
  12.     addy = line.split(/ /)[4]
  13.     offenders[addy] += 1
  14.   end
  15. end
  16.  
  17. offenders.each_pair {|o,k|
  18.   puts sprintf("%-50s %d", o, k)
  19. }

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