18/02/06 20:37:20.65 ZjhdXpOf0.net
-c Write sample to STDOUT, no anything reports.
-I FILE Recount the specified file as sample input. FILE is -, read STDIN
-t NUM Specify score threshold for sampling process exit. (Default=2.0)
-x N Specify sample count number for sampling process exit.
If with -t specified explicitly, behave as the count limiter.
0=Infinity, useful for using -I option.
-1 An one round only, no automatically progress.
-l Skip brute-force extraction process.