[rrd-users] Re: newbie help please.... RRDTool 'DEF' statement parsing

[Hugo van der Kooij]

On Tue, 20 May 2003, Matchan, Neil W wrote:

> I'm trying to pass an array of 'defs, cdefs, area & line' definitions to RRDTool but only the 1st 'def' statement seems to be accepted.
> 
> The idea behind this is to have a Perl CGI script create graphs based upon user selected 'devices' and 'intefaces'. As these are
> user selectable, the number of 'DEF, CDEF, AREA and LINE1' statements used will vary, so I can't pre-define them to the script.
> 
> The CGI builds the necessary strings and stores them in various arrays, I then use the array names in the RRDs::graph statement.
> 
> eg.
> @def0[0] = "DEF:router0in1=" . $path . "/router0_fa01.rrd:ds0:MAX";
> @def0[1] = "DEF:router0in2=" . $path . "/router0_fa02.rrd:ds0:MAX";
> @def0[2] = "DEF:router1in1=" . $path . "/router1_fa01.rrd:ds0:MAX";
> @def0[3] = "DEF:router1in2=" . $path . "/router1_fa02.rrd:ds0:MAX";
> @def0[4] = "DEF:router2in1=" . $path . "/router2_fa01.rrd:ds0:MAX";
> @def0[5] = "DEF:router2in2=" . $path . "/router2_fa02.rrd:ds0:MAX";

Pardon me but shouldn't this be :

$def0[0], $def0[1], .....

Hugo.

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