QSGREP(1) qsgrep man page QSGREP(1)
NAME
qsgrep - prints matching patterns within a file.
SYNOPSIS
qsgrep -e <pattern> -o <sub string> [<path>]
DESCRIPTION
qsgrep is a simple tool to search patterns within files. It uses regular expressions to
find patterns and prints the submatches within a pre-defined format string.
OPTIONS
-e <pattern>
Specifes the search pattern.
-o <string>
Defines the output string where $0-$9 are substituted by the submatches of the reg-
ular expression.
<path> Defines the input file to process. qsgrep reads from from standard input if this
parameter is omitted.
EXAMPLE
Shows the IP addresses of clients causing mod_qos(031) messages):
qsgrep -e 'mod_qos\(031\).*, c=([a-zA-Z0-9:.]*)' -o 'ip=$1' error_log
SEE ALSO
qsdt(1), qsexec(1), qsfilter2(1), qsgeo(1), qshead(1), qslog(1), qslogger(1), qspng(1),
qsre(1), qsrespeed(1), qsrotate(1), qssign(1), qstail(1)
AUTHOR
Pascal Buchbinder, http://mod-qos.sourceforge.net/
mod_qos utilities 11.63 May 2019 QSGREP(1)
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