Created
February 2, 2011 16:00
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Not bothering to learn Sed and Awk
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| #!/usr/bin/env ruby | |
| ARGF.each_with_index do |line, i| | |
| puts line if line =~ /AirPort/ and i % 5 == 0 | |
| end |
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Tom-Halls-MacBook-Pro:Projects tomh$ cat /var/log/kernel.log | ./simplefilter.rb
Jan 28 08:30:01 Tom-Halls-MacBook-Pro kernel[0]: AirPort: Link Up on en1
Jan 28 10:14:13 Tom-Halls-MacBook-Pro kernel[0]: AirPort: RSN handshake complete on en1
Jan 29 06:47:00 Tom-Halls-MacBook-Pro kernel[0]: AirPort: RSN handshake complete on en1
Jan 29 23:53:53 Tom-Halls-MacBook-Pro kernel[0]: AirPort: Link Up on en1
Jan 30 17:17:54 Tom-Halls-MacBook-Pro kernel[0]: AirPort: RSN handshake complete on en1
Jan 30 21:58:46 Tom-Halls-MacBook-Pro kernel[0]: AirPort: RSN handshake complete on en1
Jan 30 23:33:14 Tom-Halls-MacBook-Pro kernel[0]: AirPort: RSN handshake complete on en1
Jan 31 13:22:20 Tom-Halls-MacBook-Pro kernel[0]: AirPort: Link Up on en1
Jan 31 13:49:30 Tom-Halls-MacBook-Pro kernel[0]: AirPort: RSN handshake complete on en1
Feb 1 12:54:58 Tom-Halls-MacBook-Pro kernel[0]: AirPort: RSN handshake complete on en1
Feb 1 17:14:24 Tom-Halls-MacBook-Pro kernel[0]: AirPort: RSN handshake complete on en1
Feb 1 17:14:29 Tom-Halls-MacBook-Pro kernel[0]: AirPort: Link Down on en1. Reason 8 (Disassociated because station leaving).
Feb 1 17:17:18 Tom-Halls-MacBook-Pro kernel[0]: AirPort: RSN handshake complete on en1
Feb 1 17:19:09 Tom-Halls-MacBook-Pro kernel[0]: AirPort: Link Down on en1. Reason 8 (Disassociated because station leaving).
Feb 1 19:16:24 Tom-Halls-MacBook-Pro kernel[0]: AirPort: Link Up on en1
Feb 1 20:45:56 Tom-Halls-MacBook-Pro kernel[0]: AirPort: RSN handshake complete on en1
Feb 2 00:42:03 Tom-Halls-MacBook-Pro kernel[0]: AirPort: RSN handshake complete on en1
Feb 2 00:47:47 Tom-Halls-MacBook-Pro kernel[0]: AirPort: Link Down on en1. Reason 8 (Disassociated because station leaving).
Feb 2 08:27:42 Tom-Halls-MacBook-Pro kernel[0]: AirPort: RSN handshake complete on en1
Feb 2 15:06:00 tom-halls-macbook-pro kernel[0]: AirPort: Link Up on en1