up2date and locate the spfile, then pp to dba

pp -e 'my @f=split(q(/),qx(locate spfile)); $ENV{ORACLE_SID}=q(XE); $ENV{ORACLE_HOME}=join(q(/),@f[0..$#f-2]); $ENV{PATH}.=qq(:$ENV{ORACLE_HOME}/bin); exec(qq(sqlplus / as sysdba))'
-o bin/dba