On 1/24/18 3:38 AM, Tadeus Prastowo wrote:
> Hi!
>
> To quote
> https://www.gnu.org/software/bash/manual/html_node/Coprocesses.html#Coprocesses
>
> "The file descriptors are not available in subshells."
The file descriptors are set to close-on-exec, so they're not available
to new processes, and closed explicitly when executing subshell commands
such as ( ... ) and asynchronous commands run with `&'. Command and
process substitutions are created as exact copies of their parent, and
inherit the file descriptors.
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU [email protected] http://tiswww.cwru.edu/~chet/
