> Whether POSIX applies or not, from a logical standpoint history number
> and custom bash escape expansion should be last, after parameter
> expansion and command substitution because doing it first breaks
> command substitution (see my earlier post) or using variables in a
> prompt (a='!'; PS1='$a ' will result in a literal "!" rather than the
> history number), it is unintuitive and deviates from the behavior of
> other shells such as variants of ash and ksh.
I disagree. I don't see a compelling reason to change 20 years of
behavior here.
Chet
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU [email protected] http://cnswww.cns.cwru.edu/~chet/
