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Print all between 2 strings

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Top Forums Shell Programming and Scripting Print all between 2 strings
# 8  
Old 01-09-2009
With Perl (the output is in the file named output):

Code:
perl > output -0777nle'
  print/.*?([^\n]*?ABC.*system failure\s*\n)/s
 ' machinelog.dat

You wrote your file is large, consider that the above script will try to put it all in memory.
# 9  
Old 01-09-2009
Quote:
Originally Posted by soots
Hi, I applied your solution this morning with not much joy. An output file was created but with no data inside? Unfortunetly I can't post the actual data for you to try. I'll keep plugging away at it.Thanks for your help with this problem.
It should work, does your file have a different format? This is the result of the awk solution on my system:

Code:
$ cat file
6/1/09 23:22:00 Machine1 Initialising : Initialising
6/1/09 23:22:01 Machine1 DEF on : system on
6/1/09 23:22:04 Machine1 ABC on : system on
6/1/09 23:22:05 Machine1 DEF on : system on
6/1/09 23:22:06 Machine1 ABC off : system off
6/1/09 23:22:07 Machine1 DEF off : system off
6/1/09 23:22:22 Machine1 ABC on : system on
6/1/09 23:22:25 Machine1 ABC off : system off
6/1/09 23:22:38 Machine1 ABC on : system on
6/1/09 23:23:07 Machine1 DEF on : system on
6/1/09 23:23:09 Machine1 ABC on : system on
6/1/09 23:23:15 Machine1 DEF on : system on
6/1/09 23:23:16 Machine1 ABC off : system failure
6/1/09 23:23:18 Machine1 DEF off : system off
6/1/09 23:23:22 Machine1 ABC on : system on
6/1/09 23:23:25 Machine1 ABC off : system failure
6/1/09 23:23:38 Machine1 ABC on : system on
6/1/09 23:24:07 Machine1 DEF on : system on
$
$
$ awk 'NR==FNR {if($0 ~ "system failure"){r=NR};next} 
> /ABC on/{f=1}
> FNR==r{print;exit}f' file file
6/1/09 23:22:04 Machine1 ABC on : system on
6/1/09 23:22:05 Machine1 DEF on : system on
6/1/09 23:22:06 Machine1 ABC off : system off
6/1/09 23:22:07 Machine1 DEF off : system off
6/1/09 23:22:22 Machine1 ABC on : system on
6/1/09 23:22:25 Machine1 ABC off : system off
6/1/09 23:22:38 Machine1 ABC on : system on
6/1/09 23:23:07 Machine1 DEF on : system on
6/1/09 23:23:09 Machine1 ABC on : system on
6/1/09 23:23:15 Machine1 DEF on : system on
6/1/09 23:23:16 Machine1 ABC off : system failure
6/1/09 23:23:18 Machine1 DEF off : system off
6/1/09 23:23:22 Machine1 ABC on : system on
6/1/09 23:23:25 Machine1 ABC off : system failure
$
$

Regards
# 10  
Old 01-12-2009
Fantastic....worked a treat! Now I just need to go and understand the code. Lots of googling I think! Thanks for your input, I really appreciate it!

Soots
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