[rrd-developers] rrdfirst bug

[Dario Rossi]

Hi,

I would like to point out the existence of the following bug,
probably related to argv parsing: specifying --rraindex on 
the command line causes rrdtool to stuck into an (infinite?) 
loop:

    bash$ rrdtool first data.rrd  
    955448100 

    bash$ rrdtool first data.rrd --rraindex 0
    [loop forever]

    bash$ rrdtool first data.rrd --rraindex 3
    [loop forever]


As a side note, the order of the parameters in the 
rrdfirst manpage is swapped:

    NAME
       rrdfirst - Return the date of the first data sample in an RRA 
                    within an RRD

    SYNOPSIS
       rrdtool first filename [--rraindex number]


Indeed, trusting the manpage, you get the following complaint:

    bash$ rrdtool first data.rrd --raindex 3
    ERROR: usage rrdtool first [--rraindex number] file.rrd



D.
-- 


Oo    Dario Rossi
 >    PostDoc Researcher
~     PoliTo/DELEN/TNG

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