Making "read from file" less blocky.
Tom Glod
tom at makeshyft.com
Sat Aug 3 22:47:11 EDT 2019
Dar, Yes...I understand.....it is a blocking operation no matter what I
can just introduce breaks in the blockiness. So I'm not expecting a socket
like experience for sure.
Those are very good suggestions to try.... thank you.
Jerry, I will give that a try, it looks promising.....even a little
improvement would be better and sufficient for this need, and I can use it
sparingly. Thanks alot! Onward indeed.
On Sat, Aug 3, 2019 at 10:36 PM Jerry Jensen via use-livecode <
use-livecode at lists.runrev.com> wrote:
> Hi Tom,
>
> I’ve done this in the past watching it instead of the result. I seem to
> remember eof was not useful. Maybe for a serial port it would be?
>
> As in:
>
> repeat forever
> read from file ThisFile for (1024 * 1000) bytes
> if it is empty then exit repeat
> — do your stuff
> wait 0 with messages
> end repeat
>
> Onward,
> .Jerry non-sphere (tetrahedron?)
>
> It was a long time ago in, I think, LC 5, so YMMV.
>
>
> > On Aug 3, 2019, at 5:56 PM, Tom Glod via use-livecode <
> use-livecode at lists.runrev.com> wrote:
> >
> > Hey folks,
> >
> > I'm having trouble finding a combination of settings that allows my file
> > loading to seem to happen in the background.
> >
> > repeat while read_result is not "eof"
> > read from file ThisFile for (1024 * 1000) bytes
> > put the result into read_result
> > put it after IntoThisVariable
> > add length(it) to amount_read
> > TSTProgress amount_read,ExpectedSize,"%","Loading File ..."
> > (Progress Indicator Handler)
> > wait 10 milliseconds with messages
> > end repeat
> >
> > no matter what I try, its still sluggish, and it seems like messages are
> > still accumilating instead of being processed by the engine.
> >
> > Am I missing something? Normally waiting with messages sufficiently
> frees
> > the engine to allow the UI to remain responsive.
> >
> > Thanks,
> >
> > Tom
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