Is mv preferable to delete/add from a space standpoint?

[Andrew Cowie]

On Fri, 2010-05-07 at 06:18 +0200, Martin Pool wrote:
> On 7 May 2010 00:35, Robert Collins <robertc at robertcollins.net> wrote:
> > jar files are zips; unless you're a) using the rsyncable patch to make
> > them and b) lucky, you'll get almost no cross compression anyway.
> 
> When I last looked (years ago) they were zips with no compression.

Nah, they're deflated.

I'm vaguely wondering if they might have been archived up with whatever
$magic makes things like zsync work (and thus maybe your delta
compression), because then they might be more amenable to the move vs
delete/add scenario. Not sure how to tell whether they are block aligned
or what have you.

AfC
Sydney


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