tie @array, 'Tie::File', '/data/syslog/log.backup' or die "Damnit, Jim, he's dead: $!";
s/$ip/$txt/ for @array;

##</code><code>##

$"=$,,$_=q>|\p4<6 8p<M/_|<('=>
.q>.<4-KI<l|2$<6%s!<qn#F<>;$,
.=pack'N*',"@{[unpack'C*',$_]
}"for split/</;$_=$,,y[A-Z a-z]
         {}cd;print lc