[REBOL] [console] open, close, trace, view, capture output, crypto, carl, issue,
From: rebol::meurrens::org at: 12-May-2003 9:55
I have a double question regarding the use of the console
when running a script under VIEW.
(thus a script intended for a end user, with GUI)
1.1) ==== the problem 1 (part of my crypto project, but could be elsewhere)
Some special functions like the key pair generation functions
in the cryptographic library may take a long time to complete.
They write during the execution some characters on the console
(such as -----+----------+---+.... )
See the image (much better than words...)
to understand what I mean.
Unfortunately, when they complete, the console remains visible.
[ I would, of course, prefer to capture the execution "ticks" in a progress bar
functionnality, but this is another story...]
This is an issue fully described at URL
Mind that this page reports (first) a "bug" and (then) an "issue".
My question here is only related to the "issue".
(of course you may be interested by the bug report too, but this is only
for crypto experts)
1.2) ==== my question
Does somebody on this list know how to avoid writing on the console,
how to capture such output, how to close the console without closing the
main window, etc ???
2) ==== reverse problem (within my project : computer aided rebol learning,
he! it makes CARL :-) ...)
In this case, I run a GUI script (under VIEW or even within a Win32
and, for pedagogical reasons, from time to time, I want to open the console,
(say: to let a student try some statements)
and, after some action (such as typing 'exit-console' or something like that)
from the user, close the console.
2.2) ==== my question (very similar to 1.2)
How do I open and close the console from within my script ?
Well, I can open it by printing something. Fine.
But, for now, I can give the control to the user only by making
voluntary an error within the script.
But this is really not neat !!!
And, when the user (the student) runs the following script,
I am not able to let the console disappear.
Thanks to all for your help.
Btw, I throw this thread with the subject headed [console]
and I already promise to publish a "final" message
with the subject headed [console/synthesis/marc/15-May-2003]
when I'll receive your comments (the date is of course fictive... we'll see
when we get all answers...)
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