Someone

#!/usr/bin/perl
use File::Find;
@ARGV = (".") unless @ARGV;  # If no arguments are given, use current dir
sub filetest {
  my $file = $File::Find::name, -d && "/";  
  print "testing file: $file\n";
  if ( -f "$file" ){
     print "Is a file\n";
  } else {
     print "Not a file\n";
  }
}
find(\&filetest, @ARGV);