/usr/share/doc/liblist-moreutils-perl/examples/57499.pl is in liblist-moreutils-perl 0.413-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 | #!/usr/bin/perl
use strict;
use warnings;
use List::MoreUtils qw(pairwise);
my @left = (1..100);
my @right = (101..200);
pairwise { $a+ $b} @left, @right while 1;
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