If you're like me, you develop your CPAN modules using 'make test'. And, if you're still like me, you use some vi-derived editor. And every once in a while, you'll run into the following: 
%prompt> make test
make: Fatal error: Don't know how to make target `lib/My/.Module.pm.sw
+p'

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Ladies and Gentlemen, I have a solution, albeit somewhat ugly, that fixes this. :-)

use strict;

use ExtUtils::MakeMaker;
{
    no strict 'refs';

    my $libscan = \&{"ExtUtils::MM_Any::libscan"};
    *{"ExtUtils::MM_Any::libscan"} = sub {
        return '' unless $libscan->(@_);
        return '' if $_[1] =~ /\.swp$/;
        return $_[1];
    };
}

WriteMakefile(
    NAME         => 'My::Module',
    VERSION_FROM => 'lib/My/Module.pm', 
    PREREQ_PM    => {
        'Test::More' => 0.47,
    }
);

[download]

In reply to Making ExtUtils::MakeMaker ignore .swp files by dragonchild

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