Xin LI 2a8e7ac9c8 Add a '-k' flag which is similar with its bzip2(1) counterpart,
meaning that the user wants the input file to be left intact.

Feature request: Ighighi <ighighi gmail.com>
PR:		 bin/103006
MFC after:	 1 month
2007-05-28 08:20:46 +00:00
..