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Carousel Volume 2 #1
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quickglue notes
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1988-11-15
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Quickglue Notes (version 1f)
1. Purpose of Quickglue
I made Quickglue because of the many split binhex files in the Sumex
repository. After getting tired of using inappropriate tools, such as
editors, I concluded that I needed something simple, something that
would just glue the binhex parts back together. That's Quickglue.
This isn't a manual. If, after using the program, it is still unclear,
please let me know.
2. License
Quickglue is free. (If you paid for it, we were both robbed.) You may
use it, copy it, or give away copies. Beyond that, all rights are
reserved, and no warantees are made.
3. A Minor Problem
Quickglue does have a minor problem. I say minor, because I didn't
find it in normal use (and wouldn't expect to), but it did show up in
testing. Sometimes the Mac will forget about a volume, when it is
ejected and another volume inserted. This will result in an id=-35
error (no such volume).
4. A Work-around
The problem does not occur for volumes which have been mounted by the
finder. Consequently, If you are going to use multiple volumes, it
might be a good idea to mount them all in the finder (i.e., so they
appear on the desktop) before launching Quickglue.
5. Technical Specifics of the Problem and a Request for Help
Quickglue calls SFGetFile to get the next input file from the user.
The file name and volume reference number are saved for later opening.
I have examined the VCB queue after the SFGetFile call, and found that
volumes which have been mounted by SFGetFile become unmounted (i.e.,
disappear from the queue) after mounting a new volume. Volumes
previously mounted do not disappear. Even worse, volume reference
numbers are reused. (Therefore, although I haven't looked for it, I
would expect that one could get a file not found error also.)
I would like to understand why Finder mounted volumes are more
permanent that SFGetFile mounted volumes, and I'd like to know how to
mark a volume to stay mounted. (I am not interested in a work-around.
I think I could do that, but don't believe the problem is significant
enough to do an ugly fix.) Any insights would be greatly appreciated.
6. Where to find me
SPorter@dockmaster.arpa
Sig Porter
614 Santa Alicia
Solana Beach, CA 92075