On Wed, Jan 02, 2019 at 12:19:49AM +0100, SZEDER Gábor wrote:
> To my understanding both shells are right and conform to POSIX,
> because the standard allows both behavior by stating the following
> under '2.8.1 Consequences of Shell Errors':
>
> "An expansion error is one that occurs when the shell expansions
> define in wordexp are carried out (for example, "${x!y}", because
That "define" above always stops my (non-native) English parser for a
moment or two... shouldn't it be s/define/defined/ ?
It's not a copy-paste error, POSIX does indeed write "define" there,
see:
http://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_08_01
(First paragraph below the table and the Notes.)
> '!' is not a valid operator); an implementation may treat these as
> syntax errors if it is able to detect them during tokenization,
> rather than during expansion."
>