On Tue, Feb 19, 2013 at 02:17:43PM +0100, Thomas Rast wrote:
> "W. Trevor King" <wking@xxxxxxxxxx> writes:
> > I haven't been able to find documentation for the ${1+"$@"} syntax.
> > Is it in POSIX? It's not in the Bash manual:
> [...]
> > In my local tests, it seems equivalent to "$@".
>
> It's definitely in the bash manual and POSIX[1]: it's a special case of
> the ${parameter+word} expansion.
I need to read more carefully ;). There's even a nice table in the
POSIX specs…
Thanks,
Trevor
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