Any thoughts on how to accomplish that?

Here’s one: Change use Carp; to use MyCarp; and put the module “MyCarp.pm” somewhere in your Perl’s path:

#! perl

package MyCarp;

use strict;
use warnings;
use Exporter 'import';

our @EXPORT = 'croak';

sub croak
{
    use Carp 'shortmess';
    $Carp::Verbose = 1;

    my @lines = split /\n/, shortmess @_;
    s/^\s+// for @lines;

    die $lines[1] . "\n\t" . $lines[2] . "\n";
}

1;
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Example output:

17:22 >perl 1229_SoPW.pl
b
dying at 1229_SoPW.pl line 23, <> line 1.
a
MyCarp::croak("croaking") called at 1229_SoPW.pl line 22
        MyModule::a("MyModule") called at 1229_SoPW.pl line 30
b
dying at 1229_SoPW.pl line 23, <> line 3.
Terminating on signal SIGINT(2)

17:22 >
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Hope that helps,