/usr/share/perl5/Class/Unload.pm is in libclass-unload-perl 0.07-1.
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 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 | package Class::Unload;
BEGIN {
$Class::Unload::VERSION = '0.07';
}
# ABSTRACT: Unload a class
use warnings;
use strict;
no strict 'refs'; # we're fiddling with the symbol table
use Class::Inspector;
sub unload {
my ($self, $class) = @_;
return unless Class::Inspector->loaded( $class );
# Flush inheritance caches
@{$class . '::ISA'} = ();
my $symtab = $class.'::';
# Delete all symbols except other namespaces
for my $symbol (keys %$symtab) {
next if $symbol =~ /\A[^:]+::\z/;
delete $symtab->{$symbol};
}
my $inc_file = join( '/', split /(?:'|::)/, $class ) . '.pm';
delete $INC{ $inc_file };
return 1;
}
1; # End of Class::Unload
__END__
=pod
=head1 NAME
Class::Unload - Unload a class
=head1 VERSION
version 0.07
=head1 SYNOPSIS
use Class::Unload;
use Class::Inspector;
use Some::Class;
Class::Unload->unload( 'Some::Class' );
Class::Inspector->loaded( 'Some::Class' ); # Returns false
require Some::Class; # Reloads the class
=head1 METHODS
=head2 unload $class
Unloads the given class by clearing out its symbol table and removing it
from %INC.
=head1 SEE ALSO
L<Class::Inspector>
=head1 ACKNOWLEDGEMENTS
Thanks to Matt S. Trout, James Mastros and Uri Guttman for various tips
and pointers.
=head1 AUTHOR
Dagfinn Ilmari Mannsåker <ilmari@ilmari.org>;
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011 by Dagfinn Ilmari Mannsåker.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
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