Re: "echo | ps -j $(:) | cat | cat | cat" runs components in different process groups

[Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx>]

On Apr 17,  9:09am, Bart Schaefer wrote:
} Subject: Re: "echo | ps -j $(:) | cat | cat | cat" runs components in diff
}
} On Apr 17, 10:19am, Peter Stephenson wrote:
} } Subject: Re: "echo | ps -j $(:) | cat | cat | cat" runs components in diff
} }
} } On Mon, 16 Apr 2018 22:39:10 -0700
} } Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx> wrote:
} } > So if, when we determine that "&" is the command separator, we could
} } > treat the command in the way the "time" prefix does, this would all
} } > work out without mangling execcmd_exec() and prefork().
} } 
} } That's good, I think that's probably worth doing.

It occurs to me that doing this with "|" as well as "&" might resolve
some other problems, but (testing just by scattering otherwise useless
"time" around) it doesn't seem to fix all the problems noted in the
earlier messages on this thread.