What version of ExtUtils::MakeMaker do you have? The line works for me:

$ touch .lock

$ touch AB.lock

$ perl -MExtUtils::MakeMaker -E 'say $ExtUtils::MakeMaker::VERSION'
7.24

$ perl Makefile.PL && make manifest
"/home/steveb/perl5/perlbrew/perls/perl-5.26.1/bin/perl" "-MExtUtils::
+Manifest=mkmanifest" -e mkmanifest
Added to MANIFEST: .lock
Added to MANIFEST: AB.lock

# Add entry to MANIFEST.SKIP

$ tail -3 MANIFEST.SKIP
.base$
main$
.*.lock

$ make manifest
"/home/steveb/perl5/perlbrew/perls/perl-5.26.1/bin/perl" "-MExtUtils::
+Manifest=mkmanifest" -e mkmanifest
Removed from MANIFEST: .lock
Removed from MANIFEST: AB.lock

[download]

In reply to Re^3: ExtUtils::MakeMaker : how to ignore files and not add them by stevieb
in thread ExtUtils::MakeMaker : how to ignore files and not add them by bliako

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