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Full Discussion: Generating graphs for many number of files
Top Forums Shell Programming and Scripting Generating graphs for many number of files Post 302774845 by Chubler_XL on Sunday 3rd of March 2013 04:01:44 PM
Old 03-03-2013
Using a loop within gnuplot is the most efficient, but if it's proving to be too hard for you to maintain you could try using a bash/ksh loop and call gnuplot once for each file like this:

Code:
for file in *_data
do
   V=${file%_data}
   gnuplot <<EOF
set xlabel "year"
set ylabel "population"
set zlabel "country"
set title "${V}_survey"
set terminal png
set output "${V}.png"
splot "${V}_data" with lines
EOF
done

This User Gave Thanks to Chubler_XL For This Post:
begin_shell
 

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LEARN ABOUT DEBIAN

gpiv_piv2gnuplt

GPIV_PIV2GNUPLT(1)					      General Commands Manual						GPIV_PIV2GNUPLT(1)

NAME

       gpiv_piv2gnuplt - Converts PIV data gnuplot data.

SYNOPSIS

       gpiv_piv2gnuplt [-al int] [-au int] [-h | --help] [-p | --print] [-s float] [-v | --version] [-z] filename

DESCRIPTION

       gpiv_piv2gnuplt converts PIV data to gnuplot vectors for displaying and printing PIV the estimators in a graphical way.

       This  program  does  not  use  the parameter resources from libgpiv. The parameters may be defined by the command line options as explained
       below.

Options
       -al  L Draws an annotation vector with length L.

       -al  UNIT
	      Define unit of annotation vector (defaul m/s).

       -h | --help
	      On-line help.

       -p | --print
	      Prints parameters to stdout.

       -s  SCALE
	      Scale factor for graphic output with gnuplot.

       -v | --version
	      Print version information on standard output, then exits successfully.

       -z     Full zoom (for scaled data).

       filename
	      Filename containing the input PIV data.

SEE ALSO

       gpivtools

AUTHOR

       Gerber Van der Graaf

								  9 November 2006						GPIV_PIV2GNUPLT(1)
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