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Top Forums Shell Programming and Scripting Find pattern, and then last field from subsequent lines Post 302370074 by Yorkie99 on Tuesday 10th of November 2009 09:58:58 AM
Old 11-10-2009
Find pattern, and then last field from subsequent lines

I've got a log file, of the format

Name: network1
  Dropped packets: 15618
  Dropped packets for IPv6: 27
  Dropped packets: 74
  Dropped packets for IPv6: 0
  Failed RADIUS Authentication procedures: 0
  Failed RADIUS Accounting procedures: 0
Name: network2
  Dropped packets: 1117
  Dropped packets for IPv6: 0
  Dropped packets: 0
  Dropped packets for IPv6: 0
  Failed RADIUS Authentication procedures: 0
  Failed RADIUS Accounting procedures: 0

I want to get the sort it so that it gives


I'm thinking to awk for lines with /Name:/ and then print $NF of it and the following 6 lines, but my awk skills are pretty lame, so I'm sure how to do it.


Last edited by radoulov; 11-11-2009 at 03:31 AM.. Reason: added code tags

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bup-margin(1)						      General Commands Manual						     bup-margin(1)

bup-margin - figure out your deduplication safety margin SYNOPSIS
bup margin [options...] DESCRIPTION
bup margin iterates through all objects in your bup repository, calculating the largest number of prefix bits shared between any two entries. This number, n, identifies the longest subset of SHA-1 you could use and still encounter a collision between your object ids. For example, one system that was tested had a collection of 11 million objects (70 GB), and bup margin returned 45. That means a 46-bit hash would be sufficient to avoid all collisions among that set of objects; each object in that repository could be uniquely identified by its first 46 bits. The number of bits needed seems to increase by about 1 or 2 for every doubling of the number of objects. Since SHA-1 hashes have 160 bits, that leaves 115 bits of margin. Of course, because SHA-1 hashes are essentially random, it's theoretically possible to use many more bits with far fewer objects. If you're paranoid about the possibility of SHA-1 collisions, you can monitor your repository by running bup margin occasionally to see if you're getting dangerously close to 160 bits. OPTIONS
--predict Guess the offset into each index file where a particular object will appear, and report the maximum deviation of the correct answer from the guess. This is potentially useful for tuning an interpolation search algorithm. --ignore-midx don't use .midx files, use only .idx files. This is only really useful when used with --predict. EXAMPLE
$ bup margin Reading indexes: 100.00% (1612581/1612581), done. 40 40 matching prefix bits 1.94 bits per doubling 120 bits (61.86 doublings) remaining 4.19338e+18 times larger is possible Everyone on earth could have 625878182 data sets like yours, all in one repository, and we would expect 1 object collision. $ bup margin --predict PackIdxList: using 1 index. Reading indexes: 100.00% (1612581/1612581), done. 915 of 1612581 (0.057%) SEE ALSO
bup-midx(1), bup-save(1) BUP
Part of the bup(1) suite. AUTHORS
Avery Pennarun <apenwarr@gmail.com>. Bup unknown- bup-margin(1)

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