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Groups > comp.graphics.apps.gnuplot > #1840
| From | Michael <proximum@land.ru> |
|---|---|
| Newsgroups | comp.graphics.apps.gnuplot |
| Subject | Re: Extracting data from datafiles |
| Date | 2013-05-20 22:44 +0700 |
| Organization | A noiseless patient Spider |
| Message-ID | <kndg57$mij$1@dont-email.me> (permalink) |
| References | <ae317923-11e7-4ddf-aee7-c53a327f5d9b@googlegroups.com> |
19.05.2013 22:32, sander.peter@lycos.com пишет: > 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 You can use some external tools: grep, sed, or programming languages: perl, python, or any other language, to extract data from your input files. I, for example, am using perl for creating both datasets and gnuplot scripts.
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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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