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Re: detect pipe



On 2021-02-14 11:33 a.m., Bart Schaefer wrote:
On Sun, Feb 14, 2021 at 9:31 AM Vincent Lefevre <vincent@xxxxxxxxxx> wrote:
Closing stdin is a bad idea, as this can break stdout redirection,
and this may be out of control of the commands. See

   https://sourceware.org/bugzilla/show_bug.cgi?id=682
IMO that's just silly.  If stdin/stdout were never supposed to be
closed, why has the standard shell had <&- and >&- for its entire
existence?  Why wouldn't those be syntax errors when a file descriptor
number is not provided if you're never supposed to use them?

If it is closed, where does input go?  Queued up or vanish?





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