[rrd-users] Re: Plot a dotted line

Simone Morandini simone.morandini at mix-it.net
Tue Nov 22 16:03:51 MET 2005

Alex van den Bogaerdt wrote:

>Also be aware that "ds1,ds1,/" is not always 1.  It will fail if
>ds1 is zero, infinite or unknown.
Thanks for this, I'll take care of.

>It looks as if you do not end up with either 0 or 1.  Quite remarkable
>for an integer division by 2.  I think this test is useless.
>"TIME,3600,one,*,/,2,%" should result in either 0 or 1.
As you say, it should, but it doesn't: I tryed
"CDEF:dotted=TIME,3600,one,*,/,2,%", and "dotted" is displayed as a

So, comparing this result with a number between 0 and 2 determines the
length of the segments in the line.


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