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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 =head1 DESCRIPTION
This is a flexible, command-line-oriented frontend to Gnuplot. It creates This is a flexible, command-line-oriented frontend to Gnuplot. It creates plots
plots from data coming in on STDIN or given in a filename passed on the from data coming in on STDIN or given in a filename passed on the commandline.
commandline. Various data representations are supported, as is hardcopy Various data representations are supported, as is hardcopy output and streaming
output and streaming display of live data. A simple example: 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 $ 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 =item
C<--everyallID factor> C<--everyall factor>
Decimates the input. This works exactly like C<--every>, except it applies to Decimates the input. This works exactly like C<--every>, except it applies to
I<all> the curves. 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 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. be achieved by passing in C<--equation> and C<--set yrange ...> directly.
=item
C<--equation xxx> C<--equation xxx>
Gnuplot can plot both data and symbolic equations. C<feedgnuplot> generally 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 =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> C<--square>
Plot data with aspect ratio 1. For 3D plots, this controls the aspect ratio for Plot data with aspect ratio 1. For 3D plots, this controls the aspect ratio for
@ -893,7 +910,10 @@ also.
C<--geometry> 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 =item
@ -905,6 +925,9 @@ Print the version and exit
=head1 RECIPES =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 =head2 Basic plotting of piped data
$ seq 5 | awk '{print 2*$1, $1*$1}' $ 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 =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; } perl -anE 'BEGIN { $| = 1; }
$F[0] =~ s/[\[\]]//g or next; $F[0] =~ s/[\[\]]//g or next;
$F[7] =~ s/.*=//g or next; $F[7] =~ s/.*=//g or next;
@ -998,7 +1021,7 @@ Dima Kogan, C<< <dima@secretsauce.net> >>
=head1 LICENSE AND COPYRIGHT =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 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 under the terms of either: the GNU General Public License as published