It might be about Window's non-POSIX primary interface. Maybe the interactive commands are using some APIs that IPC::Open3 isn't going to be able to cope with. You might want to consult MSDN. Maybe there's something like strace but for Windows.

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In reply to Re: IPC::Open3: differences among replies of a background process by diotalevi
in thread IPC::Open3: differences among replies of a background process by cramdorgi

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