Bruno Haible writes:
> > The Austin group
> > take this morning is that allowing -e fragments is a useful addition for
> > the next revision of the standard, but that there are still
> > implementations today (like AIX) that don't support it now, so it will
> > be several years before sed -e 1{ -e } is standardized.
>
> So, meanwhile, let's document the portability problem in the Autoconf
> manual.
>
> Here's what I see on Solaris 10:
>
> $ echo a | sed -n -e 'i\' -e 0
> Unrecognized command: 0
JFTR, while i\ is a problem for some seds, I don't find any sed that rejects
sed -e 1{ -e }
among IRIX 6.5, AIX 5.1, Tru64 5.1D, BSDs, Solaris 2.6 or newer. The problem
seems to be relevant only for scripts ending trailing backslash (which is far
less often a problem in sed scripts).
Cheers,
Ralf
