>> - The POSIX standard does allow "echo 1 2 | read a b" to be useful >> (cf. 2.12 "Shell Execution Environment"). > Maybe the POSIX expect shell to execute the last command of pipeline > not in subshell.
>From section 2.12 and from messages posted here in the past I understand that POSIX allows either one. This ambiguity reinforces the need for documentation IMHO.
