## see what we got

use File::Find;

# Get $dirname from first command-line argument
my $dirname = $parent;

find( \&do_process, $dirname );    

my ( $a, $b );

sub do_process 
{

  if ( -r $_ ) 
  {                
     my $file_name = $_;
     open( my $fh, '<', $file_name );    # Use three-arg open!
     while (<$fh>) 
     {
        chomp();
        if (/\btournament winner is 1.gonzaga\b/i) { $a = "$file_name:$_"; }
        if (/\btournament winner is 2.miSTb/i)     { $b = "$file_name:$_"; }
     }
  }
}

##</code><code>##

find( \&do_process, ($dirname) ); 

sub do_process
{
   my $file_name = File::Fine::name; #there is no $_ or @_ context here
....
}

##</code><code>##

  say "-------system out---------";
  #system("cat $out_file");
  open my $fh, '<', $out_file or die "can't print $out_file! $!";
  print while (<$fh>);
  close $fh;
  say "----------------";

##</code><code>##

print "OUTFILES*******************\n";
foreach my $directory (glob "my_data/*")
{
   print "Directory: $directory\n";
   foreach my $file (glob "$directory/*")
   {
      print "   File=$file\n";
   }
}

##</code><code>##


OUTFILES*******************
Directory: my_data/03-04-2019-22-09-24
   File=my_data/03-04-2019-22-09-24/03-04-2019-22-09-24.1.txt
   File=my_data/03-04-2019-22-09-24/03-04-2019-22-09-24.13.txt
   File=my_data/03-04-2019-22-09-24/03-04-2019-22-09-24.17.txt
   File=my_data/03-04-2019-22-09-24/03-04-2019-22-09-24.21.txt
   File=my_data/03-04-2019-22-09-24/03-04-2019-22-09-24.25.txt
   File=my_data/03-04-2019-22-09-24/03-04-2019-22-09-24.29.txt
   File=my_data/03-04-2019-22-09-24/03-04-2019-22-09-24.33.txt
   File=my_data/03-04-2019-22-09-24/03-04-2019-22-09-24.37.txt
   File=my_data/03-04-2019-22-09-24/03-04-2019-22-09-24.41.txt
   File=my_data/03-04-2019-22-09-24/03-04-2019-22-09-24.45.txt
   File=my_data/03-04-2019-22-09-24/03-04-2019-22-09-24.49.txt
   File=my_data/03-04-2019-22-09-24/03-04-2019-22-09-24.5.txt
   File=my_data/03-04-2019-22-09-24/03-04-2019-22-09-24.53.txt
   File=my_data/03-04-2019-22-09-24/03-04-2019-22-09-24.57.txt
   File=my_data/03-04-2019-22-09-24/03-04-2019-22-09-24.9.txt
Directory: my_data/03-04-2019-22-14-09
   File=my_data/03-04-2019-22-14-09/03-04-2019-22-14-09.1.txt
   File=my_data/03-04-2019-22-14-09/03-04-2019-22-14-09.13.txt
   File=my_data/03-04-2019-22-14-09/03-04-2019-22-14-09.17.txt
   File=my_data/03-04-2019-22-14-09/03-04-2019-22-14-09.21.txt
   File=my_data/03-04-2019-22-14-09/03-04-2019-22-14-09.25.txt
   File=my_data/03-04-2019-22-14-09/03-04-2019-22-14-09.29.txt
   File=my_data/03-04-2019-22-14-09/03-04-2019-22-14-09.33.txt
   File=my_data/03-04-2019-22-14-09/03-04-2019-22-14-09.37.txt
   File=my_data/03-04-2019-22-14-09/03-04-2019-22-14-09.41.txt
   File=my_data/03-04-2019-22-14-09/03-04-2019-22-14-09.45.txt
   File=my_data/03-04-2019-22-14-09/03-04-2019-22-14-09.49.txt
   File=my_data/03-04-2019-22-14-09/03-04-2019-22-14-09.5.txt
   File=my_data/03-04-2019-22-14-09/03-04-2019-22-14-09.53.txt
   File=my_data/03-04-2019-22-14-09/03-04-2019-22-14-09.57.txt
   File=my_data/03-04-2019-22-14-09/03-04-2019-22-14-09.9.txt
Directory: my_data/03-04-2019-22-14-55
   File=my_data/03-04-2019-22-14-55/03-04-2019-22-14-55.1.txt
   File=my_data/03-04-2019-22-14-55/03-04-2019-22-14-55.13.txt
   File=my_data/03-04-2019-22-14-55/03-04-2019-22-14-55.17.txt
   File=my_data/03-04-2019-22-14-55/03-04-2019-22-14-55.21.txt
   File=my_data/03-04-2019-22-14-55/03-04-2019-22-14-55.25.txt
   File=my_data/03-04-2019-22-14-55/03-04-2019-22-14-55.29.txt
   File=my_data/03-04-2019-22-14-55/03-04-2019-22-14-55.33.txt
   File=my_data/03-04-2019-22-14-55/03-04-2019-22-14-55.37.txt
   File=my_data/03-04-2019-22-14-55/03-04-2019-22-14-55.41.txt
   File=my_data/03-04-2019-22-14-55/03-04-2019-22-14-55.45.txt
   File=my_data/03-04-2019-22-14-55/03-04-2019-22-14-55.49.txt
   File=my_data/03-04-2019-22-14-55/03-04-2019-22-14-55.5.txt
   File=my_data/03-04-2019-22-14-55/03-04-2019-22-14-55.53.txt
   File=my_data/03-04-2019-22-14-55/03-04-2019-22-14-55.57.txt
   File=my_data/03-04-2019-22-14-55/03-04-2019-22-14-55.9.txt
Directory: my_data/03-04-2019-22-16-53
   File=my_data/03-04-2019-22-16-53/03-04-2019-22-16-53.1.txt
   File=my_data/03-04-2019-22-16-53/03-04-2019-22-16-53.13.txt
   File=my_data/03-04-2019-22-16-53/03-04-2019-22-16-53.17.txt
   File=my_data/03-04-2019-22-16-53/03-04-2019-22-16-53.21.txt
   File=my_data/03-04-2019-22-16-53/03-04-2019-22-16-53.25.txt
   File=my_data/03-04-2019-22-16-53/03-04-2019-22-16-53.29.txt
   File=my_data/03-04-2019-22-16-53/03-04-2019-22-16-53.33.txt
   File=my_data/03-04-2019-22-16-53/03-04-2019-22-16-53.37.txt
   File=my_data/03-04-2019-22-16-53/03-04-2019-22-16-53.41.txt
   File=my_data/03-04-2019-22-16-53/03-04-2019-22-16-53.45.txt
   File=my_data/03-04-2019-22-16-53/03-04-2019-22-16-53.49.txt
   File=my_data/03-04-2019-22-16-53/03-04-2019-22-16-53.5.txt
   File=my_data/03-04-2019-22-16-53/03-04-2019-22-16-53.53.txt
   File=my_data/03-04-2019-22-16-53/03-04-2019-22-16-53.57.txt
   File=my_data/03-04-2019-22-16-53/03-04-2019-22-16-53.9.txt
Directory: my_data/03-04-2019-22-20-00
   File=my_data/03-04-2019-22-20-00/03-04-2019-22-20-00.1.txt
   File=my_data/03-04-2019-22-20-00/03-04-2019-22-20-00.13.txt
   File=my_data/03-04-2019-22-20-00/03-04-2019-22-20-00.17.txt
   File=my_data/03-04-2019-22-20-00/03-04-2019-22-20-00.21.txt
   File=my_data/03-04-2019-22-20-00/03-04-2019-22-20-00.25.txt
   File=my_data/03-04-2019-22-20-00/03-04-2019-22-20-00.29.txt
   File=my_data/03-04-2019-22-20-00/03-04-2019-22-20-00.33.txt
   File=my_data/03-04-2019-22-20-00/03-04-2019-22-20-00.37.txt
   File=my_data/03-04-2019-22-20-00/03-04-2019-22-20-00.41.txt
   File=my_data/03-04-2019-22-20-00/03-04-2019-22-20-00.45.txt
   File=my_data/03-04-2019-22-20-00/03-04-2019-22-20-00.49.txt
   File=my_data/03-04-2019-22-20-00/03-04-2019-22-20-00.5.txt
   File=my_data/03-04-2019-22-20-00/03-04-2019-22-20-00.53.txt
   File=my_data/03-04-2019-22-20-00/03-04-2019-22-20-00.57.txt
   File=my_data/03-04-2019-22-20-00/03-04-2019-22-20-00.9.txt
Directory: my_data/03-04-2019-22-21-01
   File=my_data/03-04-2019-22-21-01/03-04-2019-22-21-01.1.txt
   File=my_data/03-04-2019-22-21-01/03-04-2019-22-21-01.13.txt
   File=my_data/03-04-2019-22-21-01/03-04-2019-22-21-01.17.txt
   File=my_data/03-04-2019-22-21-01/03-04-2019-22-21-01.21.txt
   File=my_data/03-04-2019-22-21-01/03-04-2019-22-21-01.25.txt
   File=my_data/03-04-2019-22-21-01/03-04-2019-22-21-01.29.txt
   File=my_data/03-04-2019-22-21-01/03-04-2019-22-21-01.33.txt
   File=my_data/03-04-2019-22-21-01/03-04-2019-22-21-01.37.txt
   File=my_data/03-04-2019-22-21-01/03-04-2019-22-21-01.41.txt
   File=my_data/03-04-2019-22-21-01/03-04-2019-22-21-01.45.txt
   File=my_data/03-04-2019-22-21-01/03-04-2019-22-21-01.49.txt
   File=my_data/03-04-2019-22-21-01/03-04-2019-22-21-01.5.txt
   File=my_data/03-04-2019-22-21-01/03-04-2019-22-21-01.53.txt
   File=my_data/03-04-2019-22-21-01/03-04-2019-22-21-01.57.txt
   File=my_data/03-04-2019-22-21-01/03-04-2019-22-21-01.9.txt
Directory: my_data/03-04-2019-22-24-54
   File=my_data/03-04-2019-22-24-54/03-04-2019-22-24-54.1.txt
   File=my_data/03-04-2019-22-24-54/03-04-2019-22-24-54.13.txt
   File=my_data/03-04-2019-22-24-54/03-04-2019-22-24-54.17.txt
   File=my_data/03-04-2019-22-24-54/03-04-2019-22-24-54.21.txt
   File=my_data/03-04-2019-22-24-54/03-04-2019-22-24-54.25.txt
   File=my_data/03-04-2019-22-24-54/03-04-2019-22-24-54.29.txt
   File=my_data/03-04-2019-22-24-54/03-04-2019-22-24-54.33.txt
   File=my_data/03-04-2019-22-24-54/03-04-2019-22-24-54.37.txt
   File=my_data/03-04-2019-22-24-54/03-04-2019-22-24-54.41.txt
   File=my_data/03-04-2019-22-24-54/03-04-2019-22-24-54.45.txt
   File=my_data/03-04-2019-22-24-54/03-04-2019-22-24-54.49.txt
   File=my_data/03-04-2019-22-24-54/03-04-2019-22-24-54.5.txt
   File=my_data/03-04-2019-22-24-54/03-04-2019-22-24-54.53.txt
   File=my_data/03-04-2019-22-24-54/03-04-2019-22-24-54.57.txt
   File=my_data/03-04-2019-22-24-54/03-04-2019-22-24-54.9.txt
Directory: my_data/03-04-2019-22-26-59
   File=my_data/03-04-2019-22-26-59/03-04-2019-22-26-59.1.txt
   File=my_data/03-04-2019-22-26-59/03-04-2019-22-26-59.13.txt
   File=my_data/03-04-2019-22-26-59/03-04-2019-22-26-59.17.txt
   File=my_data/03-04-2019-22-26-59/03-04-2019-22-26-59.21.txt
   File=my_data/03-04-2019-22-26-59/03-04-2019-22-26-59.25.txt
   File=my_data/03-04-2019-22-26-59/03-04-2019-22-26-59.29.txt
   File=my_data/03-04-2019-22-26-59/03-04-2019-22-26-59.33.txt
   File=my_data/03-04-2019-22-26-59/03-04-2019-22-26-59.37.txt
   File=my_data/03-04-2019-22-26-59/03-04-2019-22-26-59.41.txt
   File=my_data/03-04-2019-22-26-59/03-04-2019-22-26-59.45.txt
   File=my_data/03-04-2019-22-26-59/03-04-2019-22-26-59.49.txt
   File=my_data/03-04-2019-22-26-59/03-04-2019-22-26-59.5.txt
   File=my_data/03-04-2019-22-26-59/03-04-2019-22-26-59.53.txt
   File=my_data/03-04-2019-22-26-59/03-04-2019-22-26-59.57.txt
   File=my_data/03-04-2019-22-26-59/03-04-2019-22-26-59.9.txt
Directory: my_data/03-04-2019-22-28-51
   File=my_data/03-04-2019-22-28-51/03-04-2019-22-28-51.1.txt
   File=my_data/03-04-2019-22-28-51/03-04-2019-22-28-51.13.txt
   File=my_data/03-04-2019-22-28-51/03-04-2019-22-28-51.17.txt
   File=my_data/03-04-2019-22-28-51/03-04-2019-22-28-51.21.txt
   File=my_data/03-04-2019-22-28-51/03-04-2019-22-28-51.25.txt
   File=my_data/03-04-2019-22-28-51/03-04-2019-22-28-51.29.txt
   File=my_data/03-04-2019-22-28-51/03-04-2019-22-28-51.33.txt
   File=my_data/03-04-2019-22-28-51/03-04-2019-22-28-51.37.txt
   File=my_data/03-04-2019-22-28-51/03-04-2019-22-28-51.41.txt
   File=my_data/03-04-2019-22-28-51/03-04-2019-22-28-51.45.txt
   File=my_data/03-04-2019-22-28-51/03-04-2019-22-28-51.49.txt
   File=my_data/03-04-2019-22-28-51/03-04-2019-22-28-51.5.txt
   File=my_data/03-04-2019-22-28-51/03-04-2019-22-28-51.53.txt
   File=my_data/03-04-2019-22-28-51/03-04-2019-22-28-51.57.txt
   File=my_data/03-04-2019-22-28-51/03-04-2019-22-28-51.9.txt
=cut