Groups > comp.graphics.apps.gnuplot > #717

Re: i=2; p 'data' u 1:($i)

From	ab <ab.3942@googlemail.com>
Newsgroups	comp.graphics.apps.gnuplot
Subject	Re: i=2; p 'data' u 1:($i)
Date	2011-11-30 06:09 -0800
Organization	http://groups.google.com
Message-ID	<18e5778e-3a17-4aad-a9ef-5dbd79cd7960@y12g2000vba.googlegroups.com> (permalink)
References	<slrnjdcdfb.tlt.khanh-dang@parvati.pmmh.espci.fr>

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Hi,

what you need is the column operator:

i=2
plot "data.txt" u 1:( f( column(i) ) )

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i=2; p 'data' u 1:($i) Khanh-Dang <khanh-dang@w.fr.invalid> - 2011-11-30 13:55 +0000
  Re: i=2; p 'data' u 1:($i) ab <ab.3942@googlemail.com> - 2011-11-30 06:09 -0800
    Re: i=2; p 'data' u 1:($i) Khanh-Dang <khanh-dang@w.fr.invalid> - 2011-11-30 15:31 +0000

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