[rrd-users] Re: rrdcgi RRD::TIME::LAST problem

Richard Hellier rlh at lsil.com
Mon Jun 28 17:25:00 MEST 2004

----- Original Message ----- 
From: "Daniel Breest" <eljay at gmx.de>
To: <rrd-users at list.ee.ethz.ch>
Sent: Monday, June 28, 2004 6:00 PM
Subject: [rrd-users] Re: rrdcgi RRD::TIME::LAST problem

> mortar wrote:
> Any other ideas?

    First question -- what's wrong with using "--end now" since, if the last
update is some
time back, the "following" values will be undefined and are (normally) just
omitted from
the chart (unless you use a CDEF with some UN logic to force undefined to,
say, zero)?
I guess this will leave a "tail" at the r/h end of the chart which you may
not want.

OK -- second question:  Is the hyperlink that points to the RRDCGI script in
a static
page or a dynamically-generated one?  If the latter (e.g. a Perl CGI
script), you could
find the LAST value in that script and pass it to the RRDCGI script as a CGI
If the page is a static one, you could replace it with a dynamic one to
achieve this effect.

Good Luck!


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