[rrd-users] Re: Finding if last value is UNKNOWN

[Richard Burton]

Hi there

I have looked at a lot of documentation as to how to retrieve the last value in a rrdtool database. I wish to add this feature as a extra check in my perl script so that if I get UNKNOWN as the last value then I will stop the graph from being generated.

Would it be true to say that there is no easy way to do this, you have to go through a number of calculations to do this? I assume I will have to use rrdtool fetch?

Any help would be appreciated.

Thanks

Richard
 

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