Re: [Gnuplot-info] Two questions on "here docs"

[sfeam <sf...@us...>]

On Tuesday, 28 October 2014 02:36:12 PM Philipp K. Janert wrote:
> 
> I am trying to understand gnuplot's new
> "here doc" feature:
> 
> $data << EOD
> 1
> 2
> 3
> EOD
> 
> plot $data
> 
> Questions:
> 1) Are there other ways to get data into these
>   data structures, besides typing it in at the
>   cmd prompt? For instance, is there a way to 
>   read the data from a file?

Normally it is part of a script file.
Many of the demos have been re-written to use it.
See for example heatmaps.dem

> 2) Is there a preferred way to save the contents 
>   of the data structure to file? I can do it using:
> 	set table "data.txt"; plot $d; unset table
>   Is this the right way to think about this?

set print 'foo'
print $data