Am 06.03.2023 um 02:11 schrieb Scott Bloom:
I have an external executable (mkvalidator from
https://www.matroska.org/downloads/mkvalidator.html
It never flushes the output, and it uses linefeed without carriage returns to
overwrite existing text on the output.
The problem is, when I run it via QProcess (on windows, Qt 5.15.10), I get
zero output until the process ends. As if it was buffered, and the output was
finally flushed
When running from the command line, I do get output continuously during the
processing.
I setup a timer to waitForRead, didn’t do anything. I cant seem to force the
QProcess to read all stdout or stderror info.
Any thoughts?
TIA
Scott
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Hi,
I had the exact same problem (but without QProcess). You have to use a trick to
disable the buffering, I don't know if its possible with QProcess, you will have
to use QProcess::CreateProcessArgumentModifier or most likely CreateProcess
directly.
If there is interest I can copy some of my data, but currently I can't access
it.
Kind regards,
Björn.
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