[R] [R-pkgs] new version of trackObjs

From: Tony Plate <tplate_at_acm.org>
Date: Sat, 22 Dec 2007 18:33:06 -0700

The trackObjs package stores objects in files on disk so that files are automatically rewritten when objects are changed, and so that objects are accessible but do not occupy memory until they are accessed. Also tracks times when objects are created and modified, and caches some basic characteristics of objects to allow for fast summaries of objects.

This version trackObjs_0.8-0 fixes some bugs:

     o   Fixed faulty detection of conflicting existing objects
         when starting to track to an existing directory.

     o   Replaced environment on function that is in the active
         binding for a tracked object.  Previously, that function
         could, if constructed via track(obj <- value), have a
         copy of the tracked object in its environment, which would
         stay present taking up memory even if the object was
         flushed out of the tracking environment.

     o   Fixed bug that stopped track.stop(all=TRUE) from working

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