[rrd-users] Re: using grep on snmp collected data

gab.seun jones.ewulomi seun_ewulomi at hotmail.com
Tue Nov 18 10:43:09 MET 2003


Like to gratefully thank everyone for their input. I now have different ways 
to do this.

Thanks again.


>From: Alex van den Bogaerdt <alex at ergens.op.het.net>
>To: rrd-users at list.ee.ethz.ch
>Subject: [rrd-users] Re: using grep on snmp collected data
>Date: Mon, 17 Nov 2003 23:24:43 +0100
>On Mon, Nov 17, 2003 at 09:26:26PM +0100, Serge Maandag wrote:
> > Put these lines in a file called "bla" and for the sum of all entries 
>between 10 and 14 try:
> >
> > cat bla | grep ' 1[0123]:'|awk '{s += $10}END{print "sum is", s, " 
>average is", s/NR}'
>In addition to the "useles use of cat award", this also qualifies
>for the "useles use of grep award" :)
>To save cpu cycles, file descriptors and what more:
><bla awk '/ 1[0123]:/{s+=$10}END{print "sum is",s," average is ",s/NR}'
>This, by the way, selects " 10:" which probably stands for the
>timeframe "09:55:00 .. 10:00:00".  After all, a rate is not known
>until the time has passed; the entry at 10:00 should thus describe
>the past, not the future.  Similarly 14:00:00 is not selected while
>it probably should.
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