file перестал опознавать перловые модули

$ file /usr/lib/perl5/*.pm
/usr/lib/perl5/AnyDBM_File.pm: ASCII C++ program text
/usr/lib/perl5/AutoLoader.pm:  ASCII English text
/usr/lib/perl5/AutoSplit.pm:   Perl5 module source text
/usr/lib/perl5/Benchmark.pm:   ASCII English text
/usr/lib/perl5/Carp.pm:        ASCII English text
/usr/lib/perl5/DB.pm:          Perl5 module source text
/usr/lib/perl5/DBM_Filter.pm:  Perl5 module source text
/usr/lib/perl5/Digest.pm:      ASCII C++ program text
/usr/lib/perl5/DirHandle.pm:   ASCII English text
/usr/lib/perl5/Dumpvalue.pm:   Perl5 module source text
/usr/lib/perl5/English.pm:     ASCII English text
/usr/lib/perl5/Env.pm:         Perl5 module source text
/usr/lib/perl5/Exporter.pm:    ASCII English text
/usr/lib/perl5/Fatal.pm:       ASCII Java program text
/usr/lib/perl5/FileCache.pm:   ASCII English text
/usr/lib/perl5/FileHandle.pm:  ASCII Java program text
/usr/lib/perl5/FindBin.pm:     Perl5 module source text
/usr/lib/perl5/PerlIO.pm:      ASCII Java program text
/usr/lib/perl5/SelectSaver.pm: ASCII English text
/usr/lib/perl5/SelfLoader.pm:  ASCII English text
/usr/lib/perl5/Shell.pm:       ASCII Java program text
/usr/lib/perl5/Symbol.pm:      ASCII English text
/usr/lib/perl5/Test.pm:        Perl5 module source text
/usr/lib/perl5/Thread.pm:      ASCII English text
/usr/lib/perl5/UNIVERSAL.pm:   ASCII English text
/usr/lib/perl5/attributes.pm:  ASCII English text
/usr/lib/perl5/autouse.pm:     ASCII Java program text
/usr/lib/perl5/base.pm:        ASCII Java program text
/usr/lib/perl5/blib.pm:        ASCII Java program text
/usr/lib/perl5/bytes.pm:       ASCII Java program text
/usr/lib/perl5/charnames.pm:   ASCII English text
/usr/lib/perl5/constant.pm:    ASCII Java program text
/usr/lib/perl5/diagnostics.pm: ASCII English text
/usr/lib/perl5/fields.pm:      ASCII English text
/usr/lib/perl5/filetest.pm:    ASCII English text
/usr/lib/perl5/if.pm:          ASCII Java program text
/usr/lib/perl5/integer.pm:     ASCII English text
/usr/lib/perl5/less.pm:        ASCII English text
/usr/lib/perl5/locale.pm:      ASCII English text
/usr/lib/perl5/open.pm:        ASCII English text
/usr/lib/perl5/overload.pm:    ASCII Java program text
/usr/lib/perl5/sigtrap.pm:     ASCII Java program text
/usr/lib/perl5/sort.pm:        ASCII English text
/usr/lib/perl5/strict.pm:      ASCII Java program text
/usr/lib/perl5/subs.pm:        ASCII English text
/usr/lib/perl5/utf8.pm:        ASCII Java program text
/usr/lib/perl5/vars.pm:        ASCII Java program text
/usr/lib/perl5/warnings.pm:    Perl5 module source text
$