2012/5/27 Jon Seymour <jon.seym...@gmail.com>: > Is there a reason why bash doesn't treat == as an illegal test > operator when running in POSIX mode?
POSIX does not say == is not allowed. POSIX tells you what the shell should at least be able to do. A POSIX compliant shell can have whatever other features it likes, as long as the POSIX features are covered. > This is problematic because use of test == in scripts that should be > POSIX isn't getting caught when I run them under bash's POSIX mode. > The scripts then fail when run under dash which seems to be stricter > about this. Don't use non-POSIX features in a POSIX script, and you'll be fine. http://www.opengroup.org/onlinepubs/9699919799/utilities/contents.html -- Geir Hauge
