#!/usr/bin/perl
use strict;
use warnings;

BEGIN {
    unshift @INC, sub {
      warn "Loading $_[1]\n";
      push @ARGV, $_[1]
    }
}

use File::Copy;

print "$^V\n";
print "$_\n" for sort {lc $a cmp lc $b} @ARGV;

__END__
v5.18.2
Config.pm
Exporter.pm
File/Copy.pm
File/Spec.pm
File/Spec/Unix.pm
List/Util.pm
overload.pm
overloading.pm
Scalar/Util.pm
vars.pm
warnings/register.pm
XSLoader.pm

>   constant.pm
>   DynaLoader.pm

v5.20.3
Config.pm
constant.pm
DynaLoader.pm
Exporter.pm
File/Copy.pm
File/Spec.pm
File/Spec/Unix.pm
List/Util.pm
overload.pm
overloading.pm
Scalar/Util.pm
vars.pm
warnings/register.pm
XSLoader.pm

<   DynaLoader.pm
>   Cwd.pm

v5.26.2
Config.pm
constant.pm
Cwd.pm
Exporter.pm
File/Copy.pm
File/Spec.pm
File/Spec/Unix.pm
List/Util.pm
overload.pm
overloading.pm
Scalar/Util.pm
vars.pm
warnings/register.pm
XSLoader.pm

<   vars.pm
>   Exporter/Heavy.pm
>   Time/HiRes.pm

v5.28.0
Config.pm
constant.pm
Cwd.pm
Exporter.pm
Exporter/Heavy.pm
File/Copy.pm
File/Spec.pm
File/Spec/Unix.pm
List/Util.pm
overload.pm
overloading.pm
Scalar/Util.pm
Time/HiRes.pm
warnings/register.pm
XSLoader.pm

<   List/Util.pm
<   Scalar/Util.pm
>   builtin.pm

v5.36.0
builtin.pm
Config.pm
constant.pm
Cwd.pm
Exporter.pm
Exporter/Heavy.pm
File/Copy.pm
File/Spec.pm
File/Spec/Unix.pm
overload.pm
overloading.pm
Time/HiRes.pm
warnings/register.pm
XSLoader.pm