Test::Count::FileMutator::ByFileType::App - a standalone command line

    # To process C code
    $ perl -MTest::Count::FileMutator::ByFileType::App -e 'run()' --ft=c myfile.c

    # To process Perl 5 code
    $ perl -MTest::Count::Filter::ByFileType::App -e 'run()' myfile.pl

    perldoc Test::Count

package Test::Count::FileMutator::ByFileType::App;

use strict;
use warnings;

use Test::Count::FileMutator;
use Getopt::Long;

use base 'Exporter';

our @EXPORT = (qw(run));

sub run
{
    my $filetype = "perl";
    GetOptions('ft=s' => \$filetype);

    my $filename = shift(@ARGV);

    my %params =
    (
        'lisp' => 
        {
            assert_prefix_regex => qr{; TEST},
            plan_prefix_regex => qr{\(plan\s+},
        },
        'c' =>
        {
            assert_prefix_regex => qr{/[/\*]\s+TEST},
            plan_prefix_regex => qr{\s*plan_tests\s*\(\s*},
        },
        'python' =>
        {
            plan_prefix_regex => qr{plan\s*\(\s*},
        },
    );

    my %aliases =
    (
        'arc' => "lisp",
        'scheme' => "lisp",
        'cpp' => "c",
    );

    $filetype = exists($aliases{$filetype}) ? $aliases{$filetype} : $filetype;
    my $ft_params = exists($params{$filetype}) ? $params{$filetype} : +{};

    my $mutator = 
        Test::Count::FileMutator->new(
            {
                filename => $filename,
                %{$ft_params},
            }
        );

    $mutator->modify();

    return 0;
}

1;

__END__