[rrd-users] Re: horizontal line

[Darryl Lewis]

Looks like the value of maxbytes maybe null.
Try declaring
my $maxbytes=0;
earlier in the program.

-----Original Message-----
From: rrd-users-bounce at list.ee.ethz.ch
[mailto:rrd-users-bounce at list.ee.ethz.ch]On Behalf Of Pavel Ruzicka
Sent: Monday, 22 May 2006 7:33 AM
To: rrd-users at list.ee.ethz.ch
Subject: [rrd-users] horizontal line


Hello,

I want to create bandwidth graph with additional horizontal line, which
presents Max possible speed. RRD files are from MRTG.
I tried this in my PERL script, but without success:
($maxbytes is previously computed value from more RRD files.)
------------
push @args, "CDEF:maxbw=${maxbytes},8,*";
push @args, "LINE1:maxbw#000000:Max speed  ${maxbytes}\\l";
------------
I get this error: rpn expressions without variables are not supported
I use rrdtool-1.0.48.

Thanks,

Pavel Ruzicka

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