Re: [Help-bash] Why BASH_SUBSHELL behaves differently in () and <()?

[Chet Ramey]

On 9/17/15 5:20 AM, ziyunfei wrote:
> Chet Ramey <address@hidden> writes:
> 
>> Yes, it's an oversight in the process substitution code.  BASH_SUBSHELL
>> should be handled the same way it is by asynchronous commands, explicit
>> subshells, and command substitution.  I have made the simple change and
>> it will be fixed in the next release of bash.
> 
> 
> Chet, `echo $BASH_SUBSHELL &' and `: | echo $BASH_SUBSHELL' still print 0 
> in bash-4.4 alpha, is this a problem?

I'll look at the first and make sure it's handled consistently.  The
pipeline, even though it's run in a subshell environment, has never
modified the value of BASH_SUBSHELL in a visible way.  Maybe it should.

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU    address@hidden    http://cnswww.cns.cwru.edu/~chet/