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Full Discussion: pattern match in a string
Top Forums Shell Programming and Scripting pattern match in a string Post 302597417 by skhichi on Friday 10th of February 2012 08:56:41 AM
Old 02-10-2012
actually there are n number of lines int he file so some have that string and some doesnt have it .... I need to find out lines based on pattern match and based on that have to do another string operation which macth the pattern ...

Hence its like
Code:
 
 
if ( check if pattern present)
 
    if yes do this
 
else 
 
   if not d that
 
fi

need in this only ...
 

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QSEXEC(1)							  qsexec man page							 QSEXEC(1)

NAME
qsexec - parses the data received via stdin and executes the defined command on a pattern match. SYNOPSIS
qsexec -e <pattern> [-t <number>:<sec>] [-c <pattern> [<command string>]] [-p] [-u <user>] <command string> DESCRIPTION
qsexec reads log lines from stdin and searches for the defined pattern. It executes the defined command string on pattern match. OPTIONS
-e <pattern> Specifes the search pattern causing an event which shall trigger the command. -t <number>:<sec> Defines the number of pattern match within the the defined number of seconds in order to trigger the command execution. By default, every pattern match causes a command execution. -c <pattern> [<command string>] Pattern which clears the event counter. Executes optionally a command if an event command has been executed before. -p Writes data also to stdout (for piped logging). -u <name> Become another user, e.g. www-data. <command string> Defines the event command string where $0-$9 are substituted by the submatches of the regular expression. EXAMPLE
Executes the deny.sh script providing the IP address of the client causing a mod_qos(031) messages whenever the log message appears 10 times within at most one minute: ErrorLog "|qsexec -e 'mod_qos(031).*, c=([0-9.]*)' -t 10:60 '/bin/deny.sh $1'" SEE ALSO
qsfilter2(1), qsgeo(1), qsgrep(1), qslog(1), qslogger(1), qspng(1), qsrotate(1), qssign(1), qstail(1) AUTHOR
Pascal Buchbinder, http://opensource.adnovum.ch/mod_qos/ mod_qos utilities 10.8 June 2012 QSEXEC(1)
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