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my @new_parts = @parts;

$new_parts[$bump_this]++;

my $NEW_DECIMAL = sprintf('%i.%03i%03i', @new_parts);

warn "Bumping $OLD_DECIMAL -> $NEW_DECIMAL\n";

my $PM_FILE = 'lib/Module/Metadata.pm';

my $file = do { local (@ARGV, $/) = ($PM_FILE); <> };

$file =~ s/(?<=\$VERSION = ')${\quotemeta $OLD_DECIMAL}/${NEW_DECIMAL}/;

open my $out, '>', $PM_FILE;

print $out $file;