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Dima Kogan 2021-02-21 00:38:26 -08:00
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README.pod
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@ -73,10 +73,13 @@ network interface in bytes/second (uses bash, awk and Linux):
=head1 DESCRIPTION
This is a flexible, command-line-oriented frontend to Gnuplot. It creates
plots from data coming in on STDIN or given in a filename passed on the
commandline. Various data representations are supported, as is hardcopy
output and streaming display of live data. A simple example:
This is a flexible, command-line-oriented frontend to Gnuplot. It creates plots
from data coming in on STDIN or given in a filename passed on the commandline.
Various data representations are supported, as is hardcopy output and streaming
display of live data. For a tutorial and a gallery please see the guide at
L<https://github.com/dkogan/feedgnuplot/blob/master/guide/guide.org>
A simple example:
$ seq 5 | awk '{print 2*$1, $1*$1}' | feedgnuplot
@ -649,7 +652,7 @@ instance, to plot 1% of the data, pass a factor of 100.
=item
C<--everyallID factor>
C<--everyall factor>
Decimates the input. This works exactly like C<--every>, except it applies to
I<all> the curves.
@ -689,6 +692,8 @@ the y-axis extents are not specified (C<--ymin>, C<--ymax>, C<--set 'yrange
properly. Since this option is just a passthrough to gnuplot, finer control can
be achieved by passing in C<--equation> and C<--set yrange ...> directly.
=item
C<--equation xxx>
Gnuplot can plot both data and symbolic equations. C<feedgnuplot> generally
@ -717,6 +722,18 @@ points, and I I<also> plot a true circle as a parametric equation.
=item
C<--equation-below xxx>
Synonym for C<--equation>. These are rendered I<below> all the other data.
=item
C<--equation-above xxx>
Like C<--equation>, but is rendered I<on top> of all the other data.
=item
C<--square>
Plot data with aspect ratio 1. For 3D plots, this controls the aspect ratio for
@ -893,7 +910,10 @@ also.
C<--geometry>
If using X11, specifies the size, position of the plot window
Specifies the size, position of the plot window. This applies I<only> to the
C<x11> gnuplot terminal, and has no effect otherwise. To control the window size
for any other terminal, ask for the terminal explicitly, with the options
specifying the size. For instance C<--terminal 'qt size 1024,768'>
=item
@ -905,6 +925,9 @@ Print the version and exit
=head1 RECIPES
For a tutorial and a gallery please see the guide at
L<https://github.com/dkogan/feedgnuplot/blob/master/guide/guide.org>
=head2 Basic plotting of piped data
$ seq 5 | awk '{print 2*$1, $1*$1}'
@ -950,7 +973,7 @@ in a Thinkpad.
=head2 Plotting a live histogram of the ping round-trip times for the past 20 seconds
$ ping -A -D 8.8.8.8 |
$ ping -D 8.8.8.8 |
perl -anE 'BEGIN { $| = 1; }
$F[0] =~ s/[\[\]]//g or next;
$F[7] =~ s/.*=//g or next;
@ -998,7 +1021,7 @@ Dima Kogan, C<< <dima@secretsauce.net> >>
=head1 LICENSE AND COPYRIGHT
Copyright 2011-2012 Dima Kogan.
Copyright 2011-2021 Dima Kogan.
This program is free software; you can redistribute it and/or modify it
under the terms of either: the GNU General Public License as published