[rrd-users] Re: how do I do calculations to STDOUT? Thanks->

John Giordano isaac at netos.com
Tue May 21 00:36:30 MEST 2002

for the ideas everyone.  I will try them out and might bug back if I get stuck.

- jg

> Hello,
> Just for everyone's edification- I have read and re-read the 
> docs and also looked all over the web but I can't seem to 
> find my answer.
> Basically, all I want to do is pull monthly bandwidth 
> calculations from a .rrd in plain text so I can stuff them 
> into a database.
> What I can do now is this:
> ./rrdtool graph foo.png --start -1m --imgformat PNG 
> --title="Monthly UU.Net" --vertical-label "KiloBytes per 
> Second" DEF:inoctets=myrouter.rrd:ds0:AVERAGE 
> DEF:outoctets=myrouter.rrd:ds1:AVERAGE 
> AREA:inoctets#00FF00:"In traffic" LINE1:outoctets#0000FF:"Out traffic"
> but I can't seem to figure out what the command syntax is to 
> dump this to STDOUT.
> > 

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