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From: Ethan A Merritt <EAMerritt@gmail.com>
Newsgroups: comp.graphics.apps.gnuplot
Subject: Re: Plot datafiles in bulk
Date: Tue, 07 Jun 2016 21:49:55 -0700
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Karl Ratzsch wrote:

> Am 07.06.2016 um 21:22 schrieb explorat123@gmail.com:
>> Hi,
>> 
>> I'd like to plot multiple .csv files in bulk, regardless of their
>> names: 20151221-Log.csv
>> 20160315-Log.csv
>> 20160601-Log.csv
>> ...
> 
>> 
>> Is there an easy way to do this without having to specify the name
>> for each individual file and without having to join the files ?
> 
> 
> "plot" obviously does not support wild cards, but something like
> 
>    fnlist = system("ls *.csv")
>    n = words(fnlist)
>    fname = word(fnlist,i)
>    plot for [i=1:n] fname(i) using ....
> 
> could work.

Or
    fnlist = system("ls -1 *.csv")
    plot for [FILE in fnlist] FILE