Just took a quick glance, but shouldn't "value=`cat value.sh`" be "value=`value.sh`"?
If the file ends with .sh, I'd say it's a script that prints a number, not a file that holds a number. serge. -----Original Message----- From: Mario Ohnewald [mailto:[EMAIL PROTECTED] Sent: Friday, August 30, 2002 10:02 AM To: [email protected] Subject: [rrd-users] Whats wrong with my little script? Graphic stays emtpy Hello! My Graphic keeps beeing empty. This is my script: --------------------------- rrdtool create test.rrd --start 920804400 DS:speed:COUNTER:600:U:U RRA:AVERAGE:0.5:1:24 RRA:AVERAGE:0.5:6:10 ## Start Var var=920804410 # Go, do loop. while [ "lala" != "bubu" ] do # get value from file. Vale starts at 100 and increases 1 every 5 sec. value=`cat value.sh` # Plus 5 secs var=$[$var+5] # Debug output echo "var=" $var echo "value=" $value # update database rrdtool update test.rrd $var:$value # rrdtool update test.rrd 920805600:123 920805900:12363 920806200:122 # rrdtool update test.rrd 920806500:121 920806800:12393 920807100:123 # rrdtool update test.rrd 920807400:124 920807700:12411 920808000:124 # do some magic ;) ## 920804500-920804400 = 100sec ## This should show my graphic in a 100sec window, cause the values get updated every 5 secs. rrdtool graph speed.gif --start 920804400 --end 920804510 --vertical-label m/s \ DEF:myspeed=test.rrd:speed:AVERAGE LINE2:myspeed#0000FF sleep 5 done --------------------------- Thanks a lot! Mario Ohnewald -- Unsubscribe mailto:[EMAIL PROTECTED] Help mailto:[EMAIL PROTECTED] Archive http://www.ee.ethz.ch/~slist/rrd-users WebAdmin http://www.ee.ethz.ch/~slist/lsg2.cgi -- Unsubscribe mailto:[EMAIL PROTECTED] Help mailto:[EMAIL PROTECTED] Archive http://www.ee.ethz.ch/~slist/rrd-users WebAdmin http://www.ee.ethz.ch/~slist/lsg2.cgi
