[Glass] Finding instances of old (removed) classes

[James Foster via Glass]

I don’t have the script but it would involve (Metaclass3 allInstances , Metaclass allInstances).

> On Aug 21, 2015, at 8:02 AM, Johan Brichau via Glass <glass at lists.gemtalksystems.com> wrote:
> 
> I remember I once saw a script to find all instances whose class is an old class version.
> 
> I cannot iterate over the class history because the old classes are no longer in there. But I do encounter some instances of those old classes and I want to sweep the repository to detect all such instances.
> 
> Does anyone still have that script?
> 
> thanks!
> Johan
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