$ cpan Data::Peek Devel::Examine::Subs Digest::SHA SourceCode::LineCounter::Perl String::CommonPrefix
$ perl examine-subs --site -v
:
: long wait
:
/pro/lib/perl5/site_perl/5.28.0/Tk/DHList_v1.pm
/pro/lib/perl5/site_perl/5.28.0/Tk/DTree.pm
/pro/lib/perl5/site_perl/5.28.0/Tk/DiffText.pm
/pro/lib/perl5/site_perl/5.28.0/Tk/FileDialog.pm
Can't call method "serialize" on an undefined value at /pro/lib/perl5/site_perl/5.28.0/Devel/Examine/Subs.pm line 769.
Exit 255