Re: [Gnuplot-info] Plot command with '-' and '' using same data

[Theo <th...@gm...>]

Thank you for your explanations.
That's a pity. I didn't want to attach a lot of small separate data 
files to the plotting file. Although it might be possible to somehow 
pack the different smaller datasets in one file but it will not be 
convenient for plotting.

Another approach: Like the variable in gnuplot, can single column data 
be defined in an inline array?
e.g. 'MyValue=3.141' and 'MyArray'=(10,20,30,40,50)
Is this what you meant with "named data store"?


Am 23.01.2014 02:07, schrieb Tait:
> The '' syntax re-uses the file name, not the file data. With a normal
> file the '' actually re-reads the file again, which is why when gnuplot
> goes to re-read from inline you must re-supply the data. To reuse the
> file's data, gnuplot would obviously have to cache it, and that is
> impractical or impossible for large data sets.
>
> I think I recall some discussion along the lines of implementing a named
> data store feature that would explicitly instruct gnuplot to cache a
> particular (potentially inline) data set, but I'm not sure whether it
> was completed.
>
> To only type in the data once, put it into a regular file with the
> appropriate format, and reference it by its file name.
>
> Theo <th...@gm...> said (on 2014/01/22):
>> Hi there,
>>
>> if I want to include (for some special reason) data into the plotting
>> file itself I can use the special filename '-' and write the data in the
>> plot file...
>>
>> Why can't I use the same data twice? Can anybody explain?
>> Is there a way that I have to type in the data only once?
>
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