use Win32;
Win32::CopyFile(
  "$src_path/$upc/$realtracknum.mp3",
  "$dst_path/$upc/$realtracknum.mp3",
  1
) or
  warn "couldnt File::Copy $src_path/$upc/$realtracknum.mp3: $!";

##</code><code>##

return 0 unless @_ == 2;
return Win32::CopyFile(@_, 1);

##</code><code>##

my @copy_args = (
  "$src_path/$upc/$realtracknum.mp3",
  "$dst_path/$upc/$realtracknum.mp3"
);
Win32::CopyFile(@copy_args, 1) or
  warn "couldnt File::Copy $src_path/$upc/$realtracknum.mp3: $!";