[bug #24182] (Wishlist) stty -a Behavior Documentation

[David L. Craig]

URL:
  <http://savannah.gnu.org/bugs/?24182>

                 Summary: (Wishlist) stty -a Behavior Documentation
                 Project: GNU Core Utilities
            Submitted by: dlcusa
            Submitted on: Mon 01 Sep 2008 04:31:33 PM GMT
                Category: None
                Severity: 3 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any

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Details:

On different platforms stty -a doesn't like being invoked inside a pipeline;
e.g.,

address@hidden:~$ cat /dev/null | stty -a
stty: standard input: Invalid argument
address@hidden:~$ stty -a </dev/null
stty: standard input: Inappropriate ioctl for device
address@hidden:~$ cat /dev/null | : `stty -a`
stty: standard input: Invalid argument
address@hidden:~$ cat /dev/null | : `stty -a </dev/tty`
address@hidden:~$ 

Note the last example worked.  This was on a Debian Sid system.

Please document this behavior.




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