You could always use bzip2. Significantly better at compression than zip.
Tom
On 8 Apr 2001, at 7:59, sayeth Skip Williams <olympus@xxxxxxxxxxxxxxx>
> I don't get a lot of extra compression with .ZIP files on top of
> .PDFs. 20% may be optimistic. How much extra compression you get depends
> on the compression methodology used in the creation of the original PDF.
>
> IMO, changing the PDFs to ZIPs is a lot of work to compress all those files
> and change the page links for a marginal space-savings return. I'd
> concentrate on finding a new hosting service.
>
> Skip
>
>
> At 12:43 AM 4/8/01 +0200, you wrote:
>
> > Hans,
> >
> > > We also might want to consider making the .PDF files password activated or
> > > some other way to prevent spiders from crawling the site to pick up all
> > > those attachments.
> > >
> > > How much space does the eSIF take up with and without the .PDF files?
> >
> >Have you thought about compressing all .PDF files ?
> >
> >that should reduce at least 20 % af the data from pdf files.
> >(I just checked some files and used gzip on a UNIX-like system.
> > WinZip should do also a good job. you can easily decompress gzip'ed files
> > with WinZip or any other ZIP packer (but not vice versa because
> > gzip can only handle 1 file in an archive where winzip and other zippers
> > put many files in it -- historical reason for this)
> >
> >ok, one disadvantage everyone HAS to HAVE a zip de/packer.
> >One advantage download of the files goes faster as the on the fly compression
> >of the modem is normaly not so good as precompressed stuff.
> >
> >just my $0.02
> >
> >
> >Rudy
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