[rrd-users] Re: spaces between GPRINTs and COMMENTS

Alex van den Bogaerdt alex at slot.hollandcasino.nl
Mon Oct 22 12:54:49 MEST 2001

Nuno Emanuel Rodrigues wrote:
> Ok, i found what the problem was, with GPRINT:FIELD2:LAST:%12.1lf  i was
> allocating 14 spaces to the GPRINT number, the xxxxxxxxxxxx.x , now i
> reduced to only 7, and seems better now.
> In a sprintf html page i found that i have this option: "0 use zeros, not
> spaces, to right-justify" i tryied GPRINT:FIELD2:LAST:%7.10lf, but didnt
> work.
> Humm...not supported by rrdtool or maybe i not using correctly...

You didn't understand the manual at all.

"Testing %7.4lfbps" means:
"Testing "   print as is
"%"          escape character, the next string has a special meaning.
"7"          field is 7 chars wide and should have leading whitespace
".4"         4 out of 7 chars should be after the decimal point
             (this leaves only 2 chars before the point: 2+1+4 = 7)
"lf"         the number to print is a long float
"bps"        print as is

To get leading whitespace use "Testing %07.4lfbps"
To left-justify use "Testing %-7.4lfbps"

You cannot have "%7.10lf" because this indicates that you want
10 out of 7 chars after the decimal point.

 / alex at slot.hollandcasino.nl                  alex at ergens.op.het.net \
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