/usr/share/doc/libgraphviz-perl/examples/remote.pl is in libgraphviz-perl 2.04-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | #!/usr/bin/perl -w
#
# A dead simple example
use strict;
use lib '../lib';
use GraphViz::Remote;
my $g = GraphViz::Remote->new();
$g->add_node('London');
$g->add_node('Paris', label => 'City of\nlurve');
$g->add_node('New York');
$g->add_edge('London' => 'Paris');
$g->add_edge('London' => 'New York', label => 'Far');
$g->add_edge('Paris' => 'London');
$g->as_png("remote.png");
print $g->as_png();
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