> My super simple conversion script is not working as It did in an older
> setup. The script itself is super simple..
>
> # my convert routine
> sub Kb2B {
> my $value = shift;
> return ($value * 1024);
> }
>
...
> Here is the error I get in mrtg.log
> -- Can't modify non-lvalue subroutine call at (eval 14) line 1.
This is almost certainly because the $value is non-numeric (an unknown). Your
script does not handle that case and ($value*1024) would have this problem.
However, there is a much more efficient way to achieve a simple multiplication
by 1024!
Instead of
Target[xxxx]: oid&oid:c...@host|Kb2B
why not simply use
Target[xxxx]: oid&oid:c...@host * 1024
(note the spaces around the *)
This will multiply both retrieved values by 1024, taking proper account of
unknowns.
Steve
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