[rrd-users] Probs using UN function with rrdtool graph

[Oline Case]

Hi.
I am trying to graph NaN and followed the Example: You suspect to have 
problems and want to see unknown data from the CDEF tutorial.

When I input this command:
/usr/local/rrdtool-1.0.37/bin/rrdtool graph testing4etime2.gif --start 
1067756400 --end 1068357600 DEF:hietime=testing4.rrd:etime:MAX 
CDEF:missinglogs=hietime, UN, INF, UNKN, IF AREA:hietime#0000FF 
AREA:missinglogs#FF0000

I get this error:
ERROR: unknown function 'UN'

Does anyone know what I am doing wrong?
Thanks,
Oline


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