/usr/share/perl5/Fh.pm is in libcgi-pm-perl 4.38-1.
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 9 10 | # back compatibility package for any code explicitly checking
# that the filehandle object is a Fh
package Fh;
use strict;
use warnings;
$Fh::VERSION = '4.38';
1;
|