On Thu, Jun 4, 2009 at 5:06 AM, Thomas Sefzick <
t.sefzick@...>wrote:
>
> get 1st data of column 3:
>
> x1 = system("head -n1 datafilename | cut -d ' ' -f 3")
> or
> x1 = system("head -n1 ts.dat | awk '{print $3}'")
>
> or with gnuplot 4.3-cvs:
>
> set table
> plot 'datafilename' us 0:($0==0?(x1=$3):$3)
> unset table
>
I do have gnuplot 4.3 and that command sets x1 to the value I want. But
it's rather cryptic. Can you tell me what everything means or point me
toward the documentation explaining it?
Thanks,
Jeremy
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