[rrd-users] Working with linear slope calculations

[Simon Hobson]

Alex van den Bogaerdt wrote:

>  > That's the bit I'm trying to avoid.  It seems like I have to hardcode
>>  the size of the graph within a calculation.  That makes changing things
>>  significantly more complex.  From your suggestion, I take it there's no
>>  way to poll for those values directly?
>
>With a bit of programming, VDEF could support this.
>It may not be the most efficient approach, but it will do.

You mean, make some variables available (like environment variables 
in the shell etc) with the various parameters used in the program 
call ?