[whatwg] Multiple file download

Jose Fandos iaminlondon at gmail.com
Thu Feb 25 17:31:00 PST 2010

On Fri, Feb 26, 2010 at 12:57 AM, Tim Hutt <tdhutt at gmail.com> wrote:

> gzip and zip both use the same algorithm which is called DEFLATE. For a
> single file they will give exactly the same results. tar.gz has a slight
> advantage for multiple files because it treats them as one big file. That's
> called 'solid compression'. However it does mean that in order to do
> anything with tar.gz, including just seeing what's inside it you have to
> decompress all of it first. That's a massive disadvantage. Zip is also much
> more widely supported, and it doesn't suffer from the annoying 'archive with
> an archive' thing.
> Anyway, I think providing multiple file downloads in a zip is fine - is
> anyone really complaining?

Er... sure. It is not as convenient for certain web apps when compared to
desktop apps. With this supported, the gap get's reduced.
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