[rrd-users] How to "hide" RRDs with unknown or zero data?

[Mushka]

Alex van den Bogaerdt-5 wrote:
> 
>>> Write a script (perl, bash, whatever you prefer to use) which
>>> 1: finds out for each of the DSes if the maximum value equals the
>>> minimum
>>> value equals either zero or unknown. rrdtool graph with some VDEFs
>>> should
>>> do, PRINT the results so that your script can access the values and
>>> compare.
> 
>> Thank you Alex! For 1, are you suggesting to use rrdfetch?
> 
> rrdtool graph with some VDEFs...
> 
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> 

Ooh, i see what you mean! Didnt know how PRINT works - only had a chance to
use GPRINT before. Coolio, i'll try it out. Sounds like this is exactly what
i need! Especially since im already calculating min and max as you see from
my example.

Thanks a billion!

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