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How to interleave stderr and stdin to a std::process::Command?

Looking at the API , it doesn't look like interleaving (redirecting stdout to stderr in real time, or the other way around) is supported. How would I do it if needed?

What's the source of confusion? You can create a Stdio object with FromRawFd::from_raw_fd , giving it a file descriptor to use as Stdio implements the trait.

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