zsh, zpty: How to read the output of a process after it has exited?

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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.

Asked by HappyFace (1694 rep)

Apr 12, 2021, 06:26 PM