Groups > comp.graphics.apps.gnuplot > #1837

Extracting data from datafiles

Newsgroups	comp.graphics.apps.gnuplot
Date	2013-05-19 08:32 -0700
Message-ID	<ae317923-11e7-4ddf-aee7-c53a327f5d9b@googlegroups.com> (permalink)
Subject	Extracting data from datafiles
From	sander.peter@lycos.com

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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 ?

Thanks already

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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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