Re: POSIX shell specification insight requested

[Gergely Nagy <algernon@debian.org>]

> foo=$(cat <<EOF
> Foo bar baz quux.
> EOF)
> 
> ash (and dash, which is derived from ash) choke on this, and seem to
> ignore everything on the same line as, but after, the here-document
> terminator word.
> 
> bash (--posix) and (pd)ksh have no problem with it.
> 
> I would be most grateful if someone access to the POSIX spec could
> provide some insight into this.

I do not know about POSIX, but there is a workaround which should work
in all shells:

foo=$(cat <<EOF
Foo bar baz quux
EOF
)

Does not look too pretty, but works, guaranteed.

-- 
Gergelybrush Nagywood