[rrd-users] GPRINT Problem

[Steve Dussaux]

I have the following lines to graph a png file :

rrdtool graph - -s -31557600 -a PNG -v GBytes -l 1 -b 1024
DEF:var0=/usr/local/nagios/rrd/uof35_disk_usage.rrd:disk-free:AVERAGE\
CDEF:cdef0=var0,1024,/,1024,/\
AREA:cdef0#ff0000:disk-free\
GPRINT:var0:AVERAGE:"Average: %8.2lf% %s\n"\
DEF:var1=/usr/local/nagios/rrd/uof35_disk_usage.rrd:disk-used:AVERAGE\
CDEF:cdef1=var1,1024,/,1024,/\
STACK:cdef1#00ff00:disk-used

I don't manage to obtain an image. When i remove the GPRINT i manage to obtain an image.
How can i do to use the GPRINT function in this case 

Steve

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