Re: [R] mvbutils and trackObjs

From: Tony Plate <taplate_at_gmail.com>
Date: Wed, 02 Jun 2010 19:46:00 -0600

trackObjs will not work together with mvbutils -- both use active bindings to store objects on disk, and I would expect that trying to use both together would cause all sort of nasty conflicts. I would think it would be possible to fold the creation/modification time recording from trackObjs into mvbutils, but it would probably be a significant amount of work.

On 05/31/2010 09:56 PM, Day, Roger S wrote:
> Hello Colleagues,
>
> I've recently become a fan of Mark Bravington's mvbutils package for organizing analysis projects in a tree.
> Using cd(), Save(), fixr(), mlazy() etcetera solves nicely some of the nuisances that have worried or annoyed me and sometimes caused
> big problems over the years. Well thought out.
>
> Now one feature that would be fabulous would be automatic time-stamping of objects.
> The trackObjs package from provides this, among other services.
>
> The question is, can the two packages work together peacefully?
>
> One curiosity: they have opposite ideas of the word "cache".
> In mvbutils, a cached object is one that is stored on disk, only retrieved into memory when needed.
> In trackObjs, a cached object is one that is stored in memory as well as on disk.
> More than a curiosity, also potentially a bad sign for compatibility between the two packages.
>
> Anyone have experience with the two together, and care to share it?
> Thanks!
>
>
> Roger Day
> University of Pittsburgh Departments of Biomedical Informatics and
> Biostatistics
> University of Pittsburgh Cancer Institute
> University of Pittsburgh Molecular Medicine Institute
> -----------------------------------------------------
> Room 310, Suite 301
> Cancer Pavilion (CNPAV)
> 5150 Centre Ave.
> Pittsburgh, PA 15232
> e-mail: day01_at_pitt.edu
> cell phone 412-609-3918
> assistant:
> Lucy Cafeo: (412) 623-2952
>
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