#!/usr/bin/env perl

use strict;
use warnings;

use FindBin;
use lib "$FindBin::RealBin/lib";
use lib 'lib';
use BinaryGap;

my $number = $ARGV[0];
if (scalar(@ARGV) != 1) {
   die "Usage: $0 <integer>\n";
}

my $answer = BinaryGap::solution($number);
print "The binary gap of $number is $answer\n";

exit;

__END__

=pod

=encoding utf8

=head1 NAME

binary_gap.pl - Find longest sequence of zeros in binary representation of an integer. Script used to call BinaryGap.

=head1 SYNOPSIS

binary_gap.pl <integer>

=head1 DESCRIPTION

This script is used to exercise BinaryGap.pm. It takes one integer as input. It returns the binary gap (longest sequence of zeros) in the binary representation of the input number.