> I'm not sure if XPG4v2 requires command substitution to behave > like that. At least, both Solaris' and DEC UNIX... oops... > True64 UNIX do execute all command substitutions in a subshell > (`pwd` does not affect the surrounding shell), and both claim > XPG4 compliance.
They only execute a subshell when they need to: $ echo $$ `echo $$` 14405 14405 $ uname -a SunOS molotov.boi.ie 5.6 Generic_105181-05 sun4u sparc SUNW,Ultra-5_10 Regards, Niall To Unsubscribe: send mail to majord...@freebsd.org with "unsubscribe freebsd-hackers" in the body of the message
