Recompiling quiz programs

[Richard Witkopp]

Yes, this bit us once. After that, we deleted the subfiles as the
first task in all our command procedures.

> I think I sent this to the wrong address first time - sorry
> if you get it twice.
>  
> Hello Jackie
>
> When you said your problem arose just after an upgrade, it
> confirmed a suspicion
> I had yesterday.
>
> Some PH upgrades involve changes to subfile format, and when
> the quiz is
> recompiled using subfiles already existing from the previous
> version, I've got a
> vague feeling that it just doesn't write any records when you
> run it (in a
> different place from where it was compiled, perhaps, with no
> existing subfiles
> to cause an obvious error in trying to overwrite the subfile,
> as you would get
> if you had changed the subfile items, for instance).
>
> I tried to find an example in my records, but can't track one
> down easily.. I
> just vaguely remember that there was no indication of what
> had gone wrong.
>
> When you recompile the quiz and it works, you are perhaps in
> a different
> directory, where the old-format subfiles don't exist. So in
> future, when you
> recompile after a PH upgrade, it's a good idea to delete the
> old subfiles first.
>
> I may be wrong, but it's worth a try!
>
> regards
> Merol

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