[rrd-users] Re: GPRINT the difference between Max and Min

Mon May 22 21:12:41 MEST 2006

On Mon, May 22, 2006 at 02:05:05PM -0400, John Barber wrote:

> VDEF:totalmax=total,MAXIMUM                         --I'm not sure if you
> can use MAXIMUM with a CDEF or not

I think you can.

> -- option 1
> CDEF:totaldev=item0,POP,totalmax,totalmin,-    --a CDEF has to have at least
> 1 DEF or CDEF so I added 1 and used  POP to get rid of it

Works.

> GPRINT:totaldev:%6.2lf%s\c>                            --can't GPRINT a CDEF

Yes you can.  Use the original format, with 'AVERAGE' (or 'MAX', or 'MIN').

> --  option 2
> VDEF:totaldev=totalmax,totalmin,-                     -- Can't use VDEFs in
> a VDEF RPN?

No, not at this time.  Sorry, development hasn't progressed yet.

-- 
Alex van den Bogaerdt
http://www.vandenbogaerdt.nl/rrdtool/

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