[rrd-users] Re: Exponential Notation

[Serge Maandag]

I process the fetched numbers myself in Perl.
In Perl I simply do print $value + 0 to have it print a normal number.

There are a number of command line math tools for unx / solaris, but most of them can't do scientific notation.
bc and dc for instance don't.

Here is a list of tools you can check out:

http://www.linuxlinks.com/Software/ProductivityTools/Calculators/

Of them, I know at least calc can handle scientific notation

http://www.isthe.com/chongo/tech/comp/calc/index.html


Serge.

-----Original Message-----
From: Fruitman, Corey [mailto:Corey.Fruitman at attcanada.com]
Sent: Monday, April 14, 2003 8:33 PM
To: rrd-users at list.ee.ethz.ch
Subject: [rrd-users] Exponential Notation


When I perform a fetch using RRDTool, the results returned are in exponential notation.  How can I get it to return conventional numbers?

To illustrate, here's the result of the data from the RRDTutorial.  

rrdtool fetch test.rrd AVERAGE --start 920804400 --end 920809200
                    speed

 920804400: NaN
 920804700: NaN
 920805000: 4.0000000000e-02
 920805300: 2.0000000000e-02
 920805600: 0.0000000000e+00
 920805900: 0.0000000000e+00
 920806200: 3.3333333333e-02
 920806500: 3.3333333333e-02
 920806800: 3.3333333333e-02
 920807100: 2.0000000000e-02
 920807400: 2.0000000000e-02
 920807700: 2.0000000000e-02
 920808000: 1.3333333333e-02
 920808300: 1.6666666667e-02
 920808600: 6.6666666667e-03
 920808900: 3.3333333333e-03
 920809200: NaN

In case this is a function of the OS, I'm running Solaris 6.

Any help is appreciated.  Thanks in advance.

Corey Fruitman
Systems Analyst, OSS Development
AT&T Canada (Toronto)

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