$ perl -d 5.mp.pl

Loading DB routines from perl5db.pl version 1.55
Editor support available.

Enter h or 'h h' for help, or 'man perldebug' for more help.

Subroutine get_logger redefined at 5.mp.pl line 83.
 at 5.mp.pl line 83.
main::(5.mp.pl:32):	my $debug    = 1;
  DB<1> source 5.1.mp.txt                                                       
>> #source 5.mp.txt