Re: Is there a way to get the output of a function without an extra bash process?

[Chet Ramey]

On 5/10/20 6:43 PM, Peng Yu wrote:
> Hi Chet, Could a new feature be added to bash so that no exec is
> needed in the case of $(cmd). Maybe introducing a new syntax like $(:
> cmd)?

I assume you mean no fork. I've thought about this a little, but there is
a lot of state that would have to be saved and restored to preserve the
subshell environment semantics of command substitution. I haven't done
anything to implement that.

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