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demo/Demo2a.pm  view on Meta::CPAN

package Demo2a;
$VERSION = '0.01';

use Filter::Simple sub {
	s/(\$[a-z])/\U$1/g;
};

1;

demo/Demo2b.pm  view on Meta::CPAN

package Demo2b;
$VERSION = '0.01';

use Filter::Simple sub {
	print "[$_]\n";
	s/(\$[a-z])/\L$1/g;
};

1;