Which is more portable: stty < or stty >

[Andy Behrens]

In article <JV.90Mar13162312 at squirrel.mh.nl> jv at mh.nl (Johan Vromans) writes:
>
>  [On the topic of using stdin or stdout for stty(1): System V assumes you may
>  want to redirect the output somewhere other than the terminal being probed.]
>
> This seems quite logical to me, considering things like
>
>	STTY_FLAGS=`stty -g < /dev/tty`
>	sane() { stty ${STTY_FLAGS}; }
>
> You can't do this from your BSD .login .


You can certain capture the stty output in a variable.  BSD stty probes
stdout (not stdin), but it writes to stderr (not stdout).  So you could
write

	STTY_OUTPUT=`stty 2>&1 >/dev/tty`

Of course, BSD doesn't support 'stty -g', but that's another issue.

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