[comp.sys.mac.hypercard] Locked stacks in HC 1.1?

jellinghaus-robert@CS.Yale.EDU (Rob Jellinghaus) (04/01/88)

I know that Hypercard 1.1 will include facilities for dealing with
stacks on read-only devices (CD-ROM in particular).  I have heard that
it simply puts up a message saying "Information in a locked stack
cannot be changed" if you try to modify anything.

Well, my question is:  Can you yourself lock a stack to prevent it
from being changed?  Note that I am NOT talking about password-protecting
it.  Ordinary stacks automatically get their modification date changed
merely through the act of OPENING them.  This is a real pain in the butt
when you try to do disk backups (with, in my case, DiskFit); the stack
gets backed up again and again even though you *really* didn't change
any of the stack's data.  (Obviously, I'm talking about browse-only
stacks, such as sound stacks or clip art.)

Can you get around this by locking the stack from the Finder, and
then using HC 1.1 on it?  Or will HC just ignore the "file locked"
flag, as most applications do?

This inquiring mind wants to know.

Rob Jellinghaus                | Dex: "Am I where I think I am?"
jellinghaus@yale.edu           | Syd: "Freshman girl's dorm?"
ROBERTJ@{yalecs,yalevm}.BITNET |
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