On Tue, 31 Mar 2015 09:11:32 -0500, John McKown wrote:
>
>$(echo export BUBBA=bubba) # run the stdout of the enclosed command as
>commands in the parent shell.
>
In most cases, I'd be more comfortable with:
export BUBBA=$(echo bubba) # limit the scope of the damage.
Note the serialization concerns. In neither case is the set value available
to concurrent processes.
In CMS the enviroment is absolutely global. In consequence, CMS
Pipelines provides considerable concurrence for its built-in stages,
but CMS command stages are relentlessly single-threaded.
-- gil
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