Re: [Gnuplot-info] how to get awk recognize variables defined in gnuplot?

[Jon <dev...@gm...>]

Thanks, Tatsuro, very interesting. I think it must work.

I did have figured out something using awk, but obviously it is much more
cumbersome

set macro
s1 = -10
s2 = 10
vv1=" ($1<"
vv2=") || ($1>"
vv3=") { print $1, $3 } ' fort.47"
ss = vv1.s1.vv2.s2.vv3
tt='plot "'.vv.ss.'"'.' u 1:2 w l'
@tt

Sincerely,
Jon


On Tue, Aug 23, 2011 at 11:53 PM, Tatsuro MATSUOKA
<tma...@ya...>wrote:

> Hello
>
> What you want to do may be done without awk.
>
> plot 'fort.47' using \
>   ( ($1<s1) || ($1>s2) ? ($1) :1/0 ):($3)
>
> Note that I do not confirm the above.
> Regards
>
> Tatsuro
>
> --- On Wed, 2011/8/24, Jon  wrote:
>
> > Dear All,
> >
> > I need to do something like this, use awk to filter out data within a
> > specific range whose limit is externally defined, say something like the
> > following,
> >
> > plot "< awk ' ($1<s1) || ($1>s2) { print $1, $3 } ' fort.47" u 1:2 w l
> >
> > here s1, s2 are variables defined in gnuplot to specify lower and upper
> > limit.
> >
> > The above does not work, as I think awk does not recognize s1 and s2
> defined
> > within gnuplot, how can I possibly fix it? Thanks,
> >
> > Sincerely,
> > Jon
> >
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