[rrd-users] Invalid RPN -- why?

[Gutza]

I get an "invalid rpn" error message for the following CDEF:

CDEF:old=old_percent,user_percent,-,familiar_percent,-,robot_percent,-

The actual error message I get is this:

ERROR: invalid rpn expression in: old_percent,user_percent,-,familiar_percent,-,robot_percent,-


What am I doing wrong?


Thanks,
Gutza

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