use strict;
use warnings;

package DieWithCode;

BEGIN {
   our @EXPORT = 'die_with_code';
   require Exporter;
   *import = \&Exporter::import;
}

use Carp qw( carp croak );

sub die_with_code {
   my $code = shift(@_);

   if ($^S) {
      croak(@_);
   } else {
      carp(@_);
      exit($code);      
   }
}

1;

##</code><code>##

use strict;
use warnings;

use DieWithCode qw( die_with_code );

$|=1;

eval { die_with_code(4, "Foo"); };
print "Caught: $@" if $@;

eval { die_with_code(5, "Bar\n"); };
print "Caught: $@" if $@;

s/\\n/\n/g for @ARGV;
die_with_code(@ARGV);

##</code><code>##

>perl 587042.pl 6 "Baz"
Caught: Foo at 587042.pl line 9
Caught: Bar
Baz at 587042.pl line 16

>echo %ERRORLEVEL%
6

>perl 587042.pl 7 "Boo\n"
Caught: Foo at 587042.pl line 9
Caught: Bar
Boo

>echo %ERRORLEVEL%
7