Isn't the problem summarized in perlipc "Safe Pipe Opens"
Note that these operations are full Unix forks, which means they may not be correctly implemented on alien systems. Additionally, these are not true multithreading. If you'd like to learn more about threading, see the modules file mentioned below in the SEE ALSO section.
I don't think you can fork on Windows

- j

In reply to Re: opening '-|' on Windows by jimbojones
in thread opening '-|' on Windows by Tanktalus

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