Just to satisfy my curiosity, I used CPAN to download
Graphics::GnuplotIF and
Chart::Graph::Gnuplot. I also ran
runprove on both of them. Chart::Graph failed tests, but Graphics::GnuplotIF passed all tests when downloaded from CPAN and also passed most tests with
runprove. I'd go with Graphics::GnuplotIF.
Update: Here's an example taken straight from the docs:
#!/usr/bin/perl
use strict;
use warnings;
use Graphics::GnuplotIF;
my $plot = Graphics::GnuplotIF->new;
$plot->gnuplot_set_xrange( 0, 4 );
$plot->gnuplot_set_yrange( -2, 2 );
$plot->gnuplot_cmd( "set grid" );
$plot->gnuplot_plot_equation(
"y1(x) = sin(x)",
"y2(x) = cos(x)",
"y3(x) = sin(x)/x" );
$plot->gnuplot_pause();
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