Ticket #47374 - flush.pl is not included in perl5
    
    https://fedorahosted.org/389/ticket/47374
    Reviewed by: nhosoi (Thanks!)
    Branch: master
    Fix Description: Change opt_b to BeginNum and opt_r to Random_Seed.
    Have to specify option as j=i because -j has an integer argument.
    Get rid of opt_j and use ZeroPad instead.
    Platforms tested: RHEL6 x86_64
    Flag Day: no
    Doc impact: no