Start some command with zpty:
zpty -d x ; zpty x 'echo hi' ; sleep 1
How do I read its output now that it has exited?
zpty -r x
Returns 2, and this behavior seems expected per the manpage.
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HappyFace
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I can't reproduce this: `zpty -d x 2>/dev/null; zpty x 'echo hi' ; sleep 1 ; zpty -r x; echo $?` → `hi` and `0` – Gilles 'SO- stop being evil' Apr 12 '21 at 19:36
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@Gilles'SO-stopbeingevil' Weirdly, I can't reproduce this on my Linux server (which runs the same config as my laptop) as well. Perhaps it's a macOS thing? – HappyFace Apr 12 '21 at 20:02