For the Win32 ping, you can add '> nul' (the equivalent of '> /dev/null') to give it the same behavior as the other OS's.
Also, you have it returning 0 if it finds "100% loss", but it will falsely report success if you feed it a host that doesn't exist, since the result of `ping` will be Unknown host foo.bar. (which doesn't contain "100% loss" in it).
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