Because the user is bbob, and not bob, the error is immediately
evident. Without the -d, the error would have been logged, and that log message
might have been sent to another dedicated logging host.
10.9.4.4 -f
Use a different database file vacation command-line switch
Sometimes it is desirable for vacation to use a database file different from its default of
.vacation.db. Perhaps you want to keep all your vacation files in one directory??”say, .vacation.
If your message file were there and your database file were there, you might invoke
vacation like this:
|"/usr/ucb/vacation -f .vacation/data.db -m .vacation/message you"
The -f command-line switchcauses vacation to use a database different from its default.
Only one -f can be specified. If you attempt to specify more than one database with
multiple -f command-line switches, only the last one listed will be used.
10.9.4.5 -i or -I
Initialize the database file vacation command-line switch
The -i command-line switchcauses vacation to initialize its database. When vacation
initializes, it truncates the database (erases any prior information) and stores the notification
interval.* If the database file doesn??™t exist, the -i command-line switchwill cause it to
be created. The -I command-line switch is a synonym for the -i command-line switch:
% /usr/ucb/vacation -i
* The interval is stored as a binary representation of an unsigned integer.
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