Search file for pattern and grab some lines before pattern


 
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Old 12-22-2005
Search file for pattern and grab some lines before pattern

I want to search a file for a string and then if the string is found I need the line that the string is on - but also the previous two lines from the file (that the pattern will not be found in)

This is on solaris

Can you help?
 
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QSTAIL(1)							  qstail man page							 QSTAIL(1)

NAME
qstail - Utility prints the end of a log file starting at the specified pattern. SYNOPSIS
qstail -i <path> -p <pattern> DESCRIPTION
qstail shows the end of a log file beginning with the line containing the specified pattern. This may be used to show all lines which has been written after a certain event (e.g., server restart) or time stamp. OPTIONS
-i <path> Input file to read the data from. -p <pattern> Search pattern (literal string). SEE ALSO
qsexec(1), qsfilter2(1), qsgeo(1), qsgrep(1), qslog(1), qslogger(1), qspng(1), qsrotate(1), qssign(1) AUTHOR
Pascal Buchbinder, http://opensource.adnovum.ch/mod_qos/ mod_qos utilities 10.8 June 2012 QSTAIL(1)