wtmpclean is a tool for Unix (currently tested on
Linux and AIX) which lets users with sufficient
privileges dump wtmp databases and patch or delete
wtmp records that log a user or that were created
at a given date and time.
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When a login is terminated by a system halt or reboot, this release prints 'down' as the logout time. It will correctly display login times with negative values.
The raw ('--raw') output was highly improved. The whole wtmp database is dumped if no user is specified. An error code of 1 is returned if the editing of the wtmp file fails. Unknown fake users are not accepted when patching the wtmp file. Timestamps are always preserved when editing the wtmp file (the '--preserve' option has been removed).
A new '-t'/'--time' option was added for deleting a login occurring at a given time. The list of the logins is now printed in the format used by the 'last' command.
