use Data::Dumper;
unzip_tree($file);
print Dumper \@files;

sub unzip_tree{
  my $zip_file = shift;
  my $zip = Archive::Zip->new($zip_file);
  $zip->extractTree( "", "$tmpdir/" );
  my @files = grep { -f "$tmpdir/$_"} readdir( UNZIPED ) ;
  close UNZIPED;
  @files  = map { $_ = "$tmpdir/$_" } @files;
  return @files;
}