My students quite often run into stack corruption. Most of the time itWhen Rev tries to save a stack, it first makes a copy the original with a tilde ~ after the name e.g. myStackFile.rev~
can be traced to their being over their disk quota on the file server we
save the stacks to, but sometimes the stacks just corrupt. I *never* had
this problem in ten years of teaching using HyperCard.
BTW, it would be *really* nice if RunRev would, as other apps do, give an
error message when trying to save to a disk that's over quota, instead of
just quietly corrupting the stack beyond recovery.
If the save succeeds, the tilde copy is deleted. If the save fails, your new stack will be an incomplete file that won't open, but the original is there with the tilde attached.
While I agree that it would be nice if there is a warning (although I have never tried checking "the result" after a save), it is easy enough to check for the tilde file after a save and see if it exists.
Cheers, Sarah
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