"David Berg" <[EMAIL PROTECTED]> writes: > I'm trying to read a bash script and fortunately am confused at the > first non comment line. > > looking at: > > exec < /dev/null > test -t 1 || exec > /dev/null > test -t 2 || exec 2>&1 > > I think I understand most of it but can't figure out what `exec` > called without any arguments will do. Does it simply replace the > shell with a copy of itself?
Can't remember the exact semantics (whether it's a special case or not) but essentially this just redirects the *current* process' std streams. A new process is not created. Nic -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
