[duelafn@jhegaala tmp]$ ./local_threads foo bar
$VAR1 = [
          {
            'path' => 'foo'
          },
          'foo'
        ];
Use of uninitialized value in substitution (s///) at ./local_threads line 25.
Use of uninitialized value in concatenation (.) or string at ./local_threads line 38.
$VAR1 = [
          {
            'path' => 'bar'
          },
          'bar'
        ];
Use of uninitialized value in substitution (s///) at ./local_threads line 25.
Use of uninitialized value in concatenation (.) or string at ./local_threads line 38.
$VAR1 = {
          'path' => undef,
          'foo' => '"find" "" "-type" "f" "-exec" "md5sum" "{}" ";"'
        };
$VAR2 = {
          'path' => undef,
          'foo' => '"find" "" "-type" "f" "-exec" "md5sum" "{}" ";"'
        };