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Full Discussion: SH Script
Top Forums Shell Programming and Scripting SH Script Post 302347576 by ric79 on Wednesday 26th of August 2009 03:51:40 AM
Old 08-26-2009
SH Script

Hi all,
I need an help for this sh script (this is not an homework!)

The file a.txt is
Code:
 
20090825000501: MOVING FILE /export/charging/chsLog/ready/RCV.chsLog.327 IN /export/charging/chsLog/received
 
20090825000502: MOVING FILE /export/charging/chsLog/ready/RCV.chsLog.328 IN /export/charging/chsLog/received
 
20090825000503: MOVING FILE /export/charging/chsLog/ready/RCV.chsLog.329 IN /export/charging/chsLog/received
 
20090825000504: MOVING FILE /export/charging/chsLog/ready/RCV.chsLog.339 IN /export/charging/chsLog/received
 
20090825000505: MOVING FILE /export/charging/chsLog/ready/RCV.chsLog.340 IN /export/charging/chsLog/received
 
20090825000506: MOVING FILE /export/charging/chsLog/ready/RCV.chsLog.341 IN /export/charging/chsLog/received
 
20090825000506: MOVING FILE /export/charging/chsLog/ready/RCV.chsLog.342 IN /export/charging/chsLog/received
 
20090825000510: DELETING FILE = /export/charging/chsLog/received/RCV.chsLog.9790
 
20090825000510: DELETING FILE = /export/charging/chsLog/received/RCV.chsLog.9789
 
20090825000511: DELETING FILE = /export/charging/chsLog/received/RCV.chsLog.9912
 
20090825000511: DELETING FILE = /export/charging/chsLog/received/RCV.chsLog.9674
 
20090825000511: DELETING FILE = /export/charging/chsLog/received/RCV.chsLog.9913
 
20090825000529: MOVING FILE /export/charging/chsLog/ready/RCV.chsLog.509 IN /export/charging/chsLog/received
 
20090825000529: MOVING FILE /export/charging/chsLog/ready/RCV.chsLog.510 IN /export/charging/chsLog/received
 
20090825000529: MOVING FILE /export/charging/chsLog/ready/RCV.chsLog.240 IN /export/charging/chsLog/received
 
20090825000529: MOVING FILE /export/charging/chsLog/ready/RCV.chsLog.265 IN /export/charging/chsLog/received
 
20090825000530: MOVING FILE /export/charging/chsLog/ready/RCV.chsLog.283 IN /export/charging/chsLog/received
 
20090825000531: MOVING FILE /export/charging/chsLog/ready/RCV.chsLog.284 IN /export/charging/chsLog/received
 
20090825000540: MOVING FILE /export/charging/chsLog/ready/RCV.chsLog.285 IN /export/charging/chsLog/received
 
20090825000540: MOVING FILE /export/charging/chsLog/ready/RCV.chsLog.330 IN /export/charging/chsLog/received
 
20090825000541: MOVING FILE /export/charging/chsLog/ready/RCV.chsLog.331 IN /export/charging/chsLog/received
 
20090825000543: DELETING FILE = /export/charging/chsLog/received/RCV.chsLog.9721
 
20090825000543: DELETING FILE = /export/charging/chsLog/received/RCV.chsLog.9935
 
20090825000543: DELETING FILE = /export/charging/chsLog/received/RCV.chsLog.9722
 
20090825000550: DELETING FILE = /export/charging/chsLog/received/RCV.chsLog.9725
 
20090825000550: DELETING FILE = /export/charging/chsLog/received/RCV.chsLog.9936
 
20090825000550: MOVING FILE /export/charging/chsLog/ready/RCV.chsLog.334 IN /export/charging/chsLog/received
 
20090825000551: MOVING FILE /export/charging/chsLog/ready/RCV.chsLog.335 IN /export/charging/chsLog/received

I need to output:
Code:
 
File Exists!
Newest1 20090825000550 
Newest2 20090825000550 
Newest3 20090825000543

Algorithm: the a.txt contains operations and it's written in append mode. So, searching from the bottom, the first three "DELETING FILE" are the desired rows. In a.txt, there are really blank rows as in the example.

Thanks to all,
Riccardo
 

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filtercalltree(1)					    BSD General Commands Manual 					 filtercalltree(1)

NAME
filtercalltree -- Filter or prune a call tree file generated by sample or malloc_history SYNOPSIS
filtercalltree call-tree-file [-invertCallTree] [-pruneCount count] [-pruneMallocSize size] [-chargeSystemLibraries] [-chargeLibrary libraryName] [-keepBoundaries] DESCRIPTION
filtercalltree reads a file containing a call tree, as generated by the sample(1) or malloc_history(1) commands, and filters or prunes it as specified by the options. OPTIONS
-invertCallTree Print the call tree from hottest to coldest stack frame. -pruneCount count Remove branches of the call tree that have count less than count -pruneMallocSize size Remove branches of the call tree that have malloc size less than size, such as 500K or 1.2M. -chargeSystemLibraries Remove stack frames from all libraries in /System and /usr, while still charging their cost to the caller. -chargeLibrary library-name Remove stack frames from library-name, while still charging their cost to the caller. This argument can be repeated for multiple libraries. -keepBoundaries When charging libraries to callers, keep the top call into excluded libraries. SEE ALSO
malloc_history(1), sample(1) BSD
May 7, 2011 BSD
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