in reply to Select on child output problem

This is nothing more than a hunch based on some things I saw on a non-*nix system; so treat it with the skepticism it deserves.

If you are running a version of perl with PerlIO enabled, try it on a version that use stdio before concluding your code is in error.

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.

The start of some sanity?

In Section Seekers of Perl Wisdom