#$path='/data/';
$path= '/data/documents/';

while (my $ref = $query->fetchrow_hashref()) {
   print "url: $ref->{url}\n";
   my $ff = File::Fetch->new(uri=>$ref->{url});
   my $where = $ff->fetch( to => '$path');
   my $error= $ff->error();
   print $error;