Splitting large zip archives

R Kimber richardkimber at btinternet.com
Wed Mar 16 19:50:06 UTC 2016

On Wed, 16 Mar 2016 19:44:30 +0100
iceblink wrote:

> Good point. What an unusual request! Normally one would then already 
> split the zip file during zipping?

These are large files that are purchased as zips and are not zipped by me.
Having spent money on them I'm looking at a reasonably reliable way of
archiving them, and USB sticks seem to be a good option - but they're
limited to 4GB.  Of course I could reformat them and use, say, ext3, but I
want to play safe and be able to use them in non-linux contexts.

> Anyway, info-zip (http://www.info-zip.org/) claims to do it if I read 
> the man page correctly, using something like
> zip -s 2g hugefile.zip --out splitfile.zip
> And frankly info-zip sounds very much like a standard linux zip, so you 
> may already be able to use the above command without installing 
> anything…

Thanks.  I'll have a look at that, but my initial reading of the manpage is
that the splits occur at the nominated splitsize, so individual files are
almost certain to be split across different zip files.  I'm looking to make
the splits so that each new zip contains complete, unsplit, files.

- Richard.
Richard Kimber

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