Alex thanks for your reply
I have also tried changing the variable in something else but the same result
$opts = array( "--imgformat", "PNG", "--start", "$starttime",
"--end", "$endtime",
"--width", "$width", "--height", "$height",
"DEF:ietsandersa0=$dir/$file:ds0:AVERAGE",
"DEF:ietsandersb1=$dir/$file:ds1:AVERAGE",
"CDEF:a=ietsandersa0,8,*",
"CDEF:b=ietsandersa1,8,*",
"COMMENT: $comment\J",
"COMMENT:\J",
<cut>
rrd_graph() ERROR: invalid rpn expression in: ietsandersa0,8,*
if i make it like this
$opts = array( "--imgformat", "PNG", "--start", "$starttime",
"--end", "$endtime",
"--width", "$width", "--height", "$height",
"DEF:a=$dir/$file:ds0:AVERAGE",
"DEF:b=$dir/$file:ds1:AVERAGE",
"COMMENT: $comment\J",
<cut>
than the script works fine
--
Wiebe Kloosterman
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