/dev/tty does not work from shell

Thomas Wolff towo@towo.net
Mon Feb 9 20:38:00 GMT 2015


Am 09.02.2015 um 11:36 schrieb Helmut Karlowski:
> --------------------------------------------------
> Thomas Wolff <towo@towo.net> wrote:
> (09/02/2015 09:47)
>
>> Am 09.02.2015 um 05:23 schrieb Andrey Repin:
>>> Greetings, Thomas Wolff!
>>>
>>>> echo bla > /dev/tty
>>>> bash: /dev/tty: cannot overwrite existing file
>>> WJFFM
>>>
>>> Please be more specific.
>>> I.e. terminal type and any other relevant information would help resolving
>>> your issue.
>>>
>>> (Though, I fail to replicate it with both mintty and native terminal.)
>> Hmm, I've observed this for a while already on all my cygwin
>> installations (64bit/32bit on 64/32bit Windows, ...)
>> and in different terminals (mintty, console, ...), so I'd thought it
>> would be reproducible. Pondering...
> bash prints that message when it has the noclobber-option set. Maybe
> you check it?
Yes, indeed, the effect shows up after set -o noclobber;
however, this shouldnÂ’t apply to device files (and doesnÂ’t on other 
systems) -
man bash: “redirection will fail if the file ... is a regular file.”
------
Thomas

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