Use of uninitialized value $_[0] in string eq at D:/SCRIPTS/perl5.26-64bit/perl/lib/File/Spec/Win32.pm line 157.
        File::Spec::Win32::catdir("File::Spec", undef, ".cpanreporter") called at D:\SCRIPTS\perl5.26-64bit\perl\site\lib/CPAN/Reporter/Config.pm line 362

##</code><code>##

# installed straberry perl
perl -MFile::HomeDir -E "say +File::HomeDir->my_documents(); say $File::HomeDir::IMPLEMENTED_BY"

C:\Users\NAME\Document
File::HomeDir::Windows

# portable straberry perl
perl -MFile::HomeDir -E "say +File::HomeDir->my_documents(); say $File::HomeDir::IMPLEMENTED_BY"

                        # <--- NO OUTPUT aka undef!
Portable::HomeDir

##</code><code>##

HomeDir:
   my_home: data
   my_data: data