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From: =?UTF-8?Q?J=c3=b6rg_Buchholz?= <bookwood4new@freenet.de>
Newsgroups: comp.graphics.apps.gnuplot
Subject: Re: plot datafile with a blank between +- and some data
Date: Wed, 3 Apr 2019 20:33:52 +0200
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On 03.04.19 08:38, Jörg Buchholz wrote:
> Hello,
> 
> how can I plot the following data structure out of a file?
> 
> 33,2019/03/21 10:00:06,  0,+ 6.786,+ 2.507
> 34,2019/03/21 10:00:07,  0,+10.089,+ 5.564
> 35,2019/03/21 10:00:08,  0,- 0.584,+ 3.324
> 36,2019/03/21 10:00:09,  0,+10.156,+ 0.024
> 37,2019/03/21 10:00:10,  0,+ 4.278,+ 5.439
> 38,2019/03/21 10:00:11,  0,+ 0.431,+ 0.262
> 
> 
> set datafile separator comma
> plot 'datafile' u 1:4 w p pt 7
> 
> gives only the values higher than 10 to me, cause there are no space
> between the sign and the value.
> 
> How can I set the format correct to get all points?

At the moment my solution is the following:

system "sed -i 's/+ / +/g;s/- / -/g' datafile"

Is there a solution to do it inside gnuplot?

Jörg