https://bugzilla.novell.com/show_bug.cgi?id=728774
https://bugzilla.novell.com/show_bug.cgi?id=728774#c39
--- Comment #39 from Dr. Werner Fink 2012-05-30 08:21:39 UTC ---
(In reply to comment #38)
Hmmm ... AFAICR a simliar problem I had with ksh which uses socketpair(2)
as fast replacement for pipe(2). The major problem was and currently is
that it is not possible to dup a file descriptor belonging to a socket or
socketpair, whereas you can do this with file descriptors of pipes and
characters devices. This was one of my reasons to use a pty/tty pair for
my old blogd(8) and also this was done for startpar(8).
In other words: with a socket on stdout you can not do in bash code
exec 2>&1
as this will lead to an invalid file descriptor.
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