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Top Forums UNIX for Dummies Questions & Answers How to save current day files only? Post 302949790 by RudiC on Thursday 16th of July 2015 04:20:05 AM
Old 07-16-2015
man awk:
Quote:
-v var=value assigns value to program variable var.
so, -vDT defines the variable DT to be used inside the awk script.

And, ~ DT is not an option, but the matching operator; $0 ~ DT checks for a match.

Last edited by RudiC; 07-16-2015 at 06:01 AM..
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SA2(8)								Linux User's Manual							    SA2(8)

NAME
sa2 - Write a daily report in the /var/log/sysstat directory. SYNOPSIS
/usr/lib/sysstat/sa2 DESCRIPTION
The sa2 command is a shell procedure variant of the sar command which writes a daily report in the /var/log/sysstat/sardd file, where the dd parameter indicates the current day. The sa2 command handles all of the flags and parameters of the sar command. The sa2 command is designed to be started automatically by the cron command. EXAMPLES
To run the sa2 command daily, place the following entry in your root or adm crontab file: 5 19 * * 1-5 /usr/lib/sysstat/sa2 -A & This will generate a daily report called /var/log/sysstat/sardd It will also remove reports more than one week old. Debian note The Debian sysstat package has already placed such an entry in your system crontab. Please refer to the /usr/share/doc/sys- stat/README.Debian file for details. FILES
/var/log/sysstat/sardd Indicate the daily report file, where the dd parameter is a number representing the day of the month. AUTHOR
Sebastien Godard (sysstat <at> orange.fr) SEE ALSO
sar(1), sadc(8), sa1(8), sadf(1) http://pagesperso-orange.fr/sebastien.godard/ Linux AUGUST 2010 SA2(8)
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