from conversations between various people

to automatically watch everything in /etc except for specifically excluded
files.

message :-)

sendmail listen to requests on port 25, just process the queue every
30 minutes to take care of any unsent mail. OK millert@.

mistaken assumption.  Noted by dynamo@ime.net.  Fixed by moving the
check for meta character expansion to be inside the two for loops.
They are expanded by simple assignment.

Probably just paranoia (since /var/tmp/vi.recover is created the
first time the machine is booted) but it can't hurt.

to read from them (this is a user-writable directory so it is
possible to play games).  Fixes a possible DOS noted by dynamo@ime.net.
If it's not a regular file, we delete it.