Re: [Gnuplot-info] data operations on multiple data files in gnuplot

[sreekar g. <col...@gm...>]

dear hans
thank you very much for the help. this has made my job easy

sincerely,
sreekar


2009/9/11 Hans-Bernhard Bröker <HBB...@t-...>

> baalkikhaal wrote:
>
>  i want to perform a summation of column 2 of each of given set of data
>> files
>> and then plot the sum against the common column 1
>>
>
> It may be possible to do such things inside gnuplot these days (using the
> CVS version, or 4.4 once that becomes a reality), but I think you should do
> this outside.  Command-line tools like 'paste', 'join' and 'awk' should work
> just fine here.  Basically:
>
>        while there are more than 1 files left:
>          paste lastfile nexttolastfile | \
>          awk '{print $1, "\t", $2+$4}' > new_lastfile
>          mv new_lastfile nexttolastfile
>
> With a more complex script, awk could do the entire job.
>
>
>


-- 
Sreekar Guddeti