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Top Forums UNIX for Beginners Questions & Answers find pattern matches in consecutive lines in certain fields-awk Post 303021483 by MadeInGermany on Friday 10th of August 2018 05:31:27 AM
Old 08-10-2018
I always prefer to have a state variable and a store variable.
Code:
awk '
met==1 && $22=="503" && $4=="7" && $16=="2" {print save; print }
{ met=0 }
$16=="0" && $22=="-1" { save=$0; met=1 }
'

The { met=0 } clears the state, in order to only continue the search in the immediately following line.
The order 2. condition then 1. condition saves a next.
This User Gave Thanks to MadeInGermany For This Post:
 

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DAR_CP(1)						      General Commands Manual							 DAR_CP(1)

NAME
dar_cp - 'cp' clone that does not stop at the first I/O error met SYNOPSIS
dar_cp <source file> <destination file> dar_cp -h dar_cp -V DESCRIPTION
dar_cp is similar to the standard 'cp' command, except it does not stop copying when an I/O error is met. Instead, it skips a bit further and continues to copy the rest of the file, as much as possible, filling the gaps by zeroed bytes. dar_cp only accepts full filename (not directory) as argument. The reason of its existence in dar package is that you need it if you use Parchive with dar and have a corruption on a CD-R or any other read-only medium. You need to copy the corrupted slice on a read-write filesystem, for Parchive be able to repair it using slice associated redundancy files. OPTIONS
-h Displays help usage. -V Displays version information. EXIT CODES
dar_cp exists with the following codes: 0 upon normal execution (be some corrupted parted skipped or not) 1 syntax error on command-line 2 could not open source or destination files 3 any other system error met during the copy 5 when some data could not be copied due to I/O error SIGNALS
Any signal sent to dar_cp will abort the program immediately, there is no way to have a proper termination before the end of the process SEE ALSO
dar(1), dar_xform(1), dar_manager(1), dar_slave(1) KNOWN BUGS
None actually. AUTHOR
http://dar.linux.free.fr/ Denis Corbin France Europe 3rd Berkeley Distribution March 3rd, 2012 DAR_CP(1)
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