A couple of fairly minor points:
First, you probably want open FOO, ">&=$fileno"
as using ">&$fileno" will dup() the file
descriptor and then open a Perl file handle to it, leaving
you with two file descriptors open to the same socket
so that closing just the one doesn't shut down the
connection.
Second, I recall recently someone discovering that sockets
in Perl are never set to "close on exec" no matter what
you do with $^F. I supposed you could consider this a
feature, especially in this case. But I'd be a bit shy
of depending on it until I found out why it is
that way.
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tye
(but my friends call me "Tye")
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