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 regular 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