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From: Dieter Britz <dieterhansbritz@gmail.com>
Newsgroups: comp.graphics.apps.gnuplot
Subject: Re: Using using
Date: Fri, 23 Aug 2013 12:02:04 +0000 (UTC)
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On Fri, 23 Aug 2013 11:40:37 +0200, Christoph Bersch wrote:

> Am 23.08.2013 10:50, schrieb Dieter Britz:
>>
>> gnuplot<<  eoi set term postscript enh eps 24 set output 'test.eps'
>> plot 'test.dat' using 1:($2 + 1) w p pt 7 quit eoi
> 
> If you call gnuplot from a shell you should use column(2).

?? I have been using this, e.g. "using 1:3" to override the
default 1:2, for years, and never a problem. Or do you mean
I must use that if I want to manipulate the values in a column?
If so, exactly how do I express that? The manual for 4.6 shows
it as I use it - and I get an error.

-- 
Dieter Britz