Ticket #47374 - flush.pl is not included in perl5
    
    https://fedorahosted.org/389/ticket/47374
    Reviewed by: nhosoi (Thanks!)
    Branch: rhel-7.0
    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
    (cherry picked from commit f9ba01b4b9ce3881cf08433b0c43db93ab207507)
    (cherry picked from commit 55df132065f109b8f548100461011c10b58843ea)
    (cherry picked from commit ea868566c49869b3fa0f6e2c7194b743d22f77fe)