Take a look at the information on serialization in 'R Internals'.
AFAICS this is no different from what can happen when loading a saved
workspace.
On 06/12/2011 05:29, Tyler Pirtle wrote:
Hi,
While debugging a network server I'm developing I noticed something unusual
- call to unserialize() resulted in
an error about loading a namespace.
I was a bit taken back by this - why should unserializing an object cause a
namespace lookup?
Are there any other side-effects of unserialize() that I should be cautious
about? I've been
digging through the R_Unserialize() call, I haven't found the loadNamespace
bit yet but I
assume its in there somewhere.
Is there anyway to guard against R eagerly evaluating serialized data
(serialize()) being unserialized (unserialize()) ?
Don't unserialize 'eagerly'. Hint: that's what lazy-loading does.
Thanks,
Tyler
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Brian D. Ripley, rip...@stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
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