Groups > comp.graphics.apps.gnuplot > #1839

Re: Extracting data from datafiles

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Subject	Re: Extracting data from datafiles
From	sander.peter@lycos.com
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Op zondag 19 mei 2013 19:04:42 UTC+2 schreef sfeam het volgende:
> sander.peter@lycos.com wrote:
> 
> 
> 
> > Hi,
> 
> > 
> 
> > I have many long datafiles like this:
> 
> > 
> 
> > ...
> 
> > _Flags = 5
> 
> > _StepTime = 0.2
> 
> > _StepSize = 0.024
> 
> > _2d = 8.7522
> 
> > _LineName = "Cu KA1-HS-Min"
> 
> > _X-Counts
> 
> > 15.000	493.2
> 
> > 15.024	485.2
> 
> > 15.048	514.3
> 
> > 15.072	453.2
> 
> > 15.096	443.2
> 
> > 15.120	470.2
> 
> > 15.144	432.2
> 
> > 15.168	448.2
> 
> > ...
> 
> > 
> 
> > Now I'd like to use the value of StepTime and 2d (2.2 and 8.7522 in
> 
> > this case) as a variable affecting the data in both columns, before
> 
> > plotting.
> 
> > 
> 
> > How to get these two numbers out of each datafile ?
> 
> 
> 
> How about 
> 
>     load "< head -5 datafile"
> 
> That will execute the first five lines, so now you have those 
> 
> five variables defined.

Thanks for your reply,
but It doesn't work for me (gnuplot 4.6 with WinXP) ...

Thread

Extracting data from datafiles sander.peter@lycos.com - 2013-05-19 08:32 -0700
  Re: Extracting data from datafiles sfeam <sfeam@users.sourceforge.net> - 2013-05-19 10:04 -0700
    Re: Extracting data from datafiles sander.peter@lycos.com - 2013-05-19 13:07 -0700
  Re: Extracting data from datafiles Michael <proximum@land.ru> - 2013-05-20 22:44 +0700

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