BEGIN {
    use CGI::Carp qw(carpout);
    carpout(\*LOGGY) if open(LOGGY,'>>'.__FILE__.'.err.log');

}

##</code><code>##

#!/usr/bin/perl
use warnings FATAL => qw( all );
warn "hello there";
{ # line 4 (notice its in a block)
  BAREWORD;
  BAREWORD;
  BAREWORD;
}


##</code><code>##

#!/usr/bin/perl
$SIG{__WARN__} = sub {die("warning: ",@_)};
warn "hello";
__END__

##</code><code>##

#!/usr/bin/perl
use CGI::Carp qw( fatalsToBrowser );
use Fatal qw( warn );
use strict;
use warnings;
warn "hello";

##</code><code>##

BEGIN {
   use vars qw( $WARR );
   $SIG{__WARN__} = sub {
                $WARR .= join ' ',(@_),caller(),"\n";
            };
}
warn "hello";
warn "hooyah";
die "aaah";

# ...
END {
    print "Content-Type: text-html\r\n\r\n <pre> $WARR </pre>";
}