Andreas Schwab <schwab@xxxxxxx> wrote:
> Jim Meyering <jim@xxxxxxxxxxxx> writes:
>
>> Here's slightly different wording to show that it's a write
>> failure that's not diagnosed:
>
> It is not a write failure that is ignored (this would not be bug in the
> shell but in the program that produces the output) but the failure to
> redirect a compound command.
>
>> Some versions of GNU Bash do not properly set @samp{$?} when
>> writing the output from a @command{@{...@}} block fails.
>
> It's not restricted to brace groups, it also fails when redirecting any
> other compound command (except for the subshell groups).
Yep. Here's another example, to illustrate:
$ bash -c 'while :; do echo; done > /bad'; echo $?
bash: /bad: Permission denied
0
Saying "redirected" is important, after all.
So this wording is more accurate:
Some versions of GNU Bash do not properly set @samp{$?} when
failing to write redirected output of any compound command other than
a subshell group.
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