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

Serge Maandag serge.maandag at staff.zeelandnet.nl
Tue Nov 18 12:17:34 MET 2003

> > 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" :)

useles as in use less s in useless that is. :)

It's a 10 seconds fix for which I used a test file called bla.
Please don't shoot me...

> 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.

You're right there though..


> -----Original Message-----
> From: Alex van den Bogaerdt [mailto:alex at ergens.op.het.net]
> To save cpu cycles, file descriptors and what more:
> <bla awk '/ 1[0123]:/{s+=$10}END{print "sum is",s," average 
> is ",s/NR}'
> Alex

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