Also works (im)perfectly fine on Windows 11 with both the command prompt (CMD) and Powershell.

I decided to try running it in the most convoluted way I could think of and, as a subprocess of another app, I get the same message you reported. Are you running this in a way where the standard file handles are actually being piped to/from between a perl process and a pseudo-terminal?

In reply to Re: Non blocking read from the console by SankoR
in thread Non blocking read from the console by jmClifford

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