/usr/lib/x86_64-linux-gnu/perl5/5.26/version.pm is in libversion-perl 1:0.9918-1build1.
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 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 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 | #!perl -w
package version;
use 5.006002;
use strict;
use warnings::register;
if ($] >= 5.015) {
warnings::register_categories(qw/version/);
}
use vars qw(@ISA $VERSION $CLASS $STRICT $LAX *declare *qv);
$VERSION = 0.9918;
$CLASS = 'version';
# !!!!Delete this next block completely when adding to Perl core!!!!
{
local $SIG{'__DIE__'};
eval "use version::vxs $VERSION";
if ( $@ ) { # don't have the XS version installed
eval "use version::vpp $VERSION"; # don't tempt fate
die "$@" if ( $@ );
push @ISA, "version::vpp";
local $^W;
*version::qv = \&version::vpp::qv;
*version::declare = \&version::vpp::declare;
*version::_VERSION = \&version::vpp::_VERSION;
*version::vcmp = \&version::vpp::vcmp;
*version::new = \&version::vpp::new;
*version::numify = \&version::vpp::numify;
*version::normal = \&version::vpp::normal;
if ($] >= 5.009000) {
no strict 'refs';
*version::stringify = \&version::vpp::stringify;
*{'version::(""'} = \&version::vpp::stringify;
*{'version::(<=>'} = \&version::vpp::vcmp;
*{'version::(cmp'} = \&version::vpp::vcmp;
*version::parse = \&version::vpp::parse;
}
}
else { # use XS module
push @ISA, "version::vxs";
local $^W;
*version::declare = \&version::vxs::declare;
*version::qv = \&version::vxs::qv;
*version::_VERSION = \&version::vxs::_VERSION;
*version::vcmp = \&version::vxs::VCMP;
*version::new = \&version::vxs::new;
*version::numify = \&version::vxs::numify;
*version::normal = \&version::vxs::normal;
if ($] >= 5.009000) {
no strict 'refs';
*version::stringify = \&version::vxs::stringify;
*{'version::(""'} = \&version::vxs::stringify;
*{'version::(<=>'} = \&version::vxs::VCMP;
*{'version::(cmp'} = \&version::vxs::VCMP;
*version::parse = \&version::vxs::parse;
}
}
}
# avoid using Exporter
require version::regex;
*version::is_lax = \&version::regex::is_lax;
*version::is_strict = \&version::regex::is_strict;
*LAX = \$version::regex::LAX;
*LAX_DECIMAL_VERSION = \$version::regex::LAX_DECIMAL_VERSION;
*LAX_DOTTED_DECIMAL_VERSION = \$version::regex::LAX_DOTTED_DECIMAL_VERSION;
*STRICT = \$version::regex::STRICT;
*STRICT_DECIMAL_VERSION = \$version::regex::STRICT_DECIMAL_VERSION;
*STRICT_DOTTED_DECIMAL_VERSION = \$version::regex::STRICT_DOTTED_DECIMAL_VERSION;
sub import {
no strict 'refs';
my ($class) = shift;
# Set up any derived class
unless ($class eq $CLASS) {
local $^W;
*{$class.'::declare'} = \&{$CLASS.'::declare'};
*{$class.'::qv'} = \&{$CLASS.'::qv'};
}
my %args;
if (@_) { # any remaining terms are arguments
map { $args{$_} = 1 } @_
}
else { # no parameters at all on use line
%args =
(
qv => 1,
'UNIVERSAL::VERSION' => 1,
);
}
my $callpkg = caller();
if (exists($args{declare})) {
*{$callpkg.'::declare'} =
sub {return $class->declare(shift) }
unless defined(&{$callpkg.'::declare'});
}
if (exists($args{qv})) {
*{$callpkg.'::qv'} =
sub {return $class->qv(shift) }
unless defined(&{$callpkg.'::qv'});
}
if (exists($args{'UNIVERSAL::VERSION'})) {
local $^W;
*UNIVERSAL::VERSION
= \&{$CLASS.'::_VERSION'};
}
if (exists($args{'VERSION'})) {
*{$callpkg.'::VERSION'} = \&{$CLASS.'::_VERSION'};
}
if (exists($args{'is_strict'})) {
*{$callpkg.'::is_strict'} = \&{$CLASS.'::is_strict'}
unless defined(&{$callpkg.'::is_strict'});
}
if (exists($args{'is_lax'})) {
*{$callpkg.'::is_lax'} = \&{$CLASS.'::is_lax'}
unless defined(&{$callpkg.'::is_lax'});
}
}
1;
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