Robert Elz <k...@munnari.oz.au> wrote:
> | For some commands you need to do that (e.g. if you like to check whether
> | "set -o posix" is usable.
>
> Huh? What shell, anywhere, exits on command not found ? (that is, not
> counting when the command that was not found was the last, and not when
> it was run via "exec").
all conforming shells exit with "set -o bla" in a script.
ksh93 -c 'set -o bla; echo huhu'
ksh93[1]: set: bla: bad option(s)
Usage: set [-sabefhkmnprtuvxBCGH] [-A name] [-o[option]] [arg ...]
Jörg
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